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  • 1.
    Aarts, Mariëlle P. J.
    et al.
    Department of the Built Environment, Eindhoven University of Technology, Eindhoven, Netherlands.
    Aries, Myriam
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap. Department of the Built Environment, Eindhoven University of Technology, Eindhoven, Netherlands.
    Straathof, Jochem
    Department of the Built Environment, Eindhoven University of Technology, Eindhoven, Netherlands.
    van Hoof, Joost
    Centre for Healthcare and Technology, Fontys University of Applied Sciences, Eindhoven, Netherlands.
    Dynamic lighting systems in psychogeriatric care facilities in the Netherlands: A quantitative and qualitative analysis of stakeholders’ responses and applied technology2015Inngår i: Indoor + Built Environment, ISSN 1420-326X, E-ISSN 1423-0070, Vol. 24, nr 5, s. 617-630Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Long-term care facilities are currently installing dynamic lighting systems with the aim to improve the well-being and behaviour of residents with dementia. The aim of this study was to investigate the implementation of dynamic lighting systems from the perspective of stakeholders and the performance of the technology. Therefore, a questionnaire survey was conducted with the management and care professionals of six care facilities. Moreover, light measurements were conducted in order to describe the exposure of residents to lighting. The results showed that the main reason for purchasing dynamic lighting systems lied in the assumption that the well-being and day/night rhythmicity of residents could be improved. The majority of care professionals were not aware of the reasons why dynamic lighting systems were installed. Despite positive subjective ratings of the dynamic lighting systems, no data were collected by the organizations to evaluate the effectiveness of the lighting. Although the care professionals stated that they did not see any large positive effects of the dynamic lighting systems on the residents and their own work situation, the majority appreciated the dynamic lighting systems more than the old situation. The light values measured in the care facilities did not exceed the minimum threshold values reported in the literature. Therefore, it seems illogical that the dynamic lighting systems installed in the researched care facilities will have any positive health effects.

  • 2.
    Aarts, Mariëlle P.J.
    et al.
    Eindhoven University of Technology, Eindhoven, The Netherlands.
    van Duijnhoven, Juliëtte
    Eindhoven University of Technology, Eindhoven, The Netherlands.
    Aries, Myriam B. C.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap. Eindhoven University of Technology, Eindhoven, The Netherlands.
    Rosemann, Alexander L.P.
    Eindhoven University of Technology, Eindhoven, The Netherlands.
    Performance of personally worn dosimeters to study non-image forming effects of light: Assessment methods2017Inngår i: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 117, s. 60-72Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    When determining the effects of light on human beings, it is essential to correctly measure the effects, and to correctly measure the adequate properties of light. Therefore, it is important to know what is being measured and know the quality of the measurement devices. This paper describes simple methods for identifying three quality indices; the directional response index, the linearity index and the temperature index. These indices are also checked for several commonly used portable light measurement devices. The results stresses what was already assumed, the quality and the outcome of these devices under different circumstances were very different. Also, the location were these devices are normally worn has an impact on the results. The deviation range between worn vertically at eye level and the wrist is between 11% (outdoor) to 27% (indoor). The smallest deviation, both in indoor and outdoor, was found when the device was placed on the sides of the eye (7%). 

  • 3.
    Adamsson, Mathias
    Department of Architecture and Built Environment, Lund University, Sweden.
    Non-image-forming effects of light: Implications for the design of living and working environments2018Doktoravhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    Seasonal variation in mood and subjective well-being are common at geographical locations further away from the equator. The 24-h light-dark cycle is the main time cue for synchronizing the human circadian clock to the external day and night.

    Nowadays, people spend more of their waking day indoors, with less exposure to the natural daylight cycle, relying on artificial lighting which differs to daylight in a number of aspects, including intensity, spectral composition and light exposure pattern.

    In parallel with the technology development that has been mainly driven by energy-saving reasons, it is important to investigate the non-image-forming effects of different properties of the daily and seasonal light exposure.

    The overall aim of the thesis was to identify characteristics of the daily light exposure that are important to support physiological and psychological needs of humans. To achieve this objective a number of research questions were posed concerning daily and seasonal light exposure, seasonal variation in physiological processes and psychological parameters, and evaluation of light exposure with respect to non-image-forming effects. The research questions were investigated in a longitudinal research design with measurements conducted each month during the year at a high latitude with large seasonal variation in day lengths.

    Self-report diaries and instruments for ambulatory- and static measurements were used to examine daily and seasonal light exposure in the working and living environments and for investigating the relationship between different parameters that can be used for evaluating light exposure according to non-image-forming effects of light. Seasonal variation in daily light exposure and regarding the pattern of light exposure was observed. Also, the results indicate a seasonal variation concerning the quality (i.e. spectral composition of the visible radiation) of the exposing light.

    Two biological markers, melatonin and cortisol, were used for investigating seasonal variation in physiological processes relating to the circadian clock. The results showed higher morning melatonin concentrations and peak level of melatonin during the winter although no seasonal change was observed concerning the phase position of the melatonin rhythm.

    Seasonal differences in mood and sleep-activity were studied by means of selfreport diaries and questionnaires. Seasonal variations were observed for both parameters. The results showed higher ratings of mood in the summer, particularly 6 in the evening, and a relationship between bedtime and evening light exposure and photoperiod length. Furthermore, longer sleep times was observed in the winter.

    Appraisal of lighting conditions in the offices during the year was rated by the use of a questionnaire. The results showed some seasonal differences concerning the perceived qualities of the light and some associations between characteristics of the lit environments and positive affect were found.

    Two methods, static- and ambulatory measurements, were used for recording lighting conditions in the working environments. Taken together, the results showed weak associations between the two methods.

    Research have demonstrated an increased need for taking non-image-forming effects into consideration when designing working and living environments, especially at geographical locations with large variations in day length where people are exposed to much of the daily light exposure at the workplace. Laboratory research has provided a good understanding of the basic concepts. However, more field research is needed. Also, current research has demonstrated that new methods of measuring and evaluating lighting conditions are needed.

  • 4.
    Adamsson, Mathias
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Laike, Thorbjörn
    Department of Environmental Science, Fukuoka Women's University, Japan.
    Morita, Takeshi
    Department of Environmental Science, Fukuoka Women's University, Japan.
    Annual variation in daily light exposure and circadian change of melatonin and cortisol concentrations at a northern latitude with large seasonal differences in photoperiod length2016Inngår i: Journal of Physiological Anthropology, ISSN 1880-6791, E-ISSN 1880-6805, Vol. 36, nr 1Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    BACKGROUND: Seasonal variations in physiology and behavior have frequently been reported. Light is the major zeitgeber for synchronizing internal circadian rhythms with the external solar day. Non-image forming effects of light radiation, for example, phase resetting of the circadian rhythms, melatonin suppression, and acute alerting effects, depend on several characteristics of the light exposure including intensity, timing and duration, spectral composition and previous light exposure, or light history. The aim of the present study was to report on the natural pattern of diurnal and seasonal light exposure and to examine seasonal variations in the circadian change of melatonin and cortisol concentrations for a group of Swedish office workers.

    METHODS: Fifteen subjects participated in a field study that was carried out in the south of Sweden. Ambulatory equipment was used for monthly measurements of the daily exposure to light radiation across the year. The measurements included illuminance and irradiance. The subjects collected saliva samples every 4 h during 1 day of the monthly measuring period.

    RESULTS: The results showed that there were large seasonal differences in daily amount of light exposure across the year. Seasonal differences were observed during the time periods 04:00-08:00, 08:00-12:00, 12:00-16:00, 16:00-20:00, and 20:00-24:00. Moreover, there were seasonal differences regarding the exposure pattern. The subjects were to a larger extent exposed to light in the afternoon/evening in the summer. During the winter, spring, and autumn, the subjects received much of the daily light exposure in the morning and early afternoon. Regarding melatonin, a seasonal variation was observed with a larger peak level during the winter and higher levels in the morning at 07:00.

    CONCLUSIONS: This study adds to the results from other naturalistic studies by reporting on the diurnal and seasonal light exposure patterns for a group living at a northern latitude of 56° N, with large annual variations in photoperiod length. It seems to be seasonal variation in the lighting conditions, both concerning intensities as well as regarding the pattern of the light exposure to which people living at high latitudes are exposed which may result in seasonal variation in the circadian profile of melatonin.

  • 5.
    Adamsson, Mathias
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Laike, Thorbjörn
    Department of Architecture and Built Environment, Lund University, Lund, Sweden.
    Morita, Takeshi
    Department of Environmental Science, Fukuoka Women’s University, Higashi-Ku, Fukuoka, Japan.
    Comparison of Static and Ambulatory Measurements of Illuminance and Spectral Composition That Can Be Used for Assessing Light Exposure in Real Working Environments2019Inngår i: LEUKOS The Journal of the Illuminating Engineering Society of North America, ISSN 1550-2724, E-ISSN 1550-2716, Vol. 15, nr 2-3, s. 181-194Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Reliable measurements are of utmost importance when investigating the relationship between light and human reactions. The aim of the present study was to compare two methods for measuring light exposure in real working environments. Ambulatory recordings of illuminance and irradiance were compared with static field measurements of horizontal illuminance at the normal working position, average horizontal illuminance in the room, vertical illuminance at the position of the eye in the normal angle of gaze, and spectral composition of the light radiation at the normal working position and at the position of the eye in the normal angle of gaze. The ambulatory measurements were carried out during a 3-day experimental period and were repeated monthly throughout the year. The static field measurements in the subjects’ offices were conducted five times during the year, in the morning and afternoon during one day. The relationship between the illuminances and irradiances measured with the portable instruments and the static measurements was statistically analyzed. Results from the analyses revealed that more than one third of the static measurements of vertical illuminances recorded were below 200 lx, and only 7% of the measurements exceeded 1000 lx. Measurements of the spectral composition of the light radiation in the rooms suggested that the light, although at a fairly low intensity, included relatively much radiation that can have a non-image forming effect. Furthermore, only a small number of significant correlations between the ambulatory and static measurements were found. Results from the t-tests showed that there were no differences between ambulatory measurements, and static measurements of horizontal illuminance at the normal position, average illuminance in the room and vertical illuminance at the position of the eye during three, five, and seven of the 10 measurements, respectively. There is a need to define appropriate parameters in order to describe the quality of a lit environment with respect to the non-image-forming effects of light radiation.

  • 6.
    Adamsson, Mathias
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Laike, Thorbjörn
    Lund University, Sweden.
    Morita, Takeshi
    Fukuoka Women's University, Fukuoka, Japan.
    Seasonal variation in bright daylight exposure, mood and behavior among a group of office workers in Sweden2018Inngår i: Journal of Circadian Rhythms, ISSN 1740-3391, E-ISSN 1740-3391, Vol. 16, artikkel-id 2Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The purpose of the study was to investigate seasonal variation in mood and behavior among a group of office workers in Sweden (56°N). Thirty subjects participated in this longitudinal study. The subjects kept a weekly log that included questionnaires for ratings of psychological wellbeing and daily sleep-activity diaries where they also noted time spent outdoors. The lighting conditions in the offices were subjectively evaluated during one day, five times over the year. There was a seasonal variation in positive affect and in sleep-activity behavior. Across the year, there was a large variation in the total time spent outdoors in daylight. The subjects reported seasonal variation concerning the pleasantness, variation and strength of the light in the offices and regarding the visibility in the rooms. Finally, the subjects spent most of their time indoors, relying on artificial lighting, which demonstrates the importance of the lighting quality in indoor environments. 

  • 7.
    Altelind, Sara
    et al.
    Högskolan i Jönköping, Tekniska Högskolan.
    Hallén Trifu, Cleo
    Högskolan i Jönköping, Tekniska Högskolan.
    Kan mörker förhöja trygghetsupplevelsen i en parkmiljö?: Mörker som planeringsverktyg2017Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Mörker har sedan en lång tid tillbaka haft en stor inverkan på hur människan uppfattar sin rumsliga miljö. När denna rapport skrivs finns det begränsad forskning inom mörker koppla ttill ljusdesign, vilket väcker intresse för att få mer kunskap av hur mörker kan påverka trygghetsupplevelsen i en parkmiljö.

    Ett experiment genomfördes under två kvällar där författarna till denna rapport ljussatte en park med hjälp av ett ökat fokus på mörker, därefter jämfördes den belysningen med parkens befintliga belysningslösning. Förbipasserande stannade för att svara på ett frågeformulär om säkerhet och trygghetsupplevelsen.

    Resultaten tydliggjorde att de deltagande uppfattade parken med belysningen som planerats med mörker i åtanke som tryggare än den befintliga belysningen. Majoriteten avdeltagarna i undersökningen bekräftade att avgränsningarna hade stor inverkan på hur de upplever parken samt deras trygghetskänsla.

    Flera faktorer kan ha påverkat deltagarnas svar de båda kvällarna, till exempel vädret, deltagarnas humör, ljusdesignen med mera. Men för denna undersökning så dras slutsatsen att arbetssättet med mörker i fokus har påverkat belysningslösningen och i sin tur deltagarnas upplevelse av parken. Denna typ av planering behöver testas på flera olika platser för att användaren ska kunna dra en slutsats av hur den påverkar människors upplevelse av exteriöra miljöer.

  • 8.
    Andersson, Daniel
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    PARAMETRISK DESIGN I TIDIGA SKEDEN AV ARKITEKTONISKA PROJEKT2009Independent thesis Advanced level (degree of Master (One Year)), 10 poäng / 15 hpOppgave
  • 9.
    Backström, Martin
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Wikström, Ludvig
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Effektivisering av ekologisk dagvattenhantering i stadsmiljö2013Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    I Jönköping har problemet med översvämningar, erosion och materialtransport varit ett stort problem i Strömsbergsbäcken i Jönköpings kommun. Detta har tillviss del orsakats av ett ökat dagvattenutsläpp i bäcken, vilket skapar kraftigaflödestoppar då den ursprungliga fåran inte är ”dimensionerad” för den ökadevattenmängden. Syftet med arbetet är att effektivisera ekologisk dagvattenhantering i stadsmiljö med högt dagvattenutsläpp. Målet med arbetet är i sin tur att framställa underlag för hur ekologisk dagvattenhantering i stadsmiljö kan genomföras och att rapporten skall kunna ge värdefull kunskap till liknande sammanhang. För attuppfylla målet har följande tre frågeställningar utformats som utgör en väsentligdel av arbetet:

    • Hur kan belastningen på det allmänna dagvattennätet minskas?
    • Hur kan föroreningsföljderna av dagvattenavrinning i stadsmiljö minskas?
    • Vilka åtgärder är lämpliga för att effektivisera ekologisk dagvattenhantering i  Strömsbergsbäcken?

    Metoderna som använts för att besvara frågeställningarna är litteraturstudie, dokumentanalys och fallstudie. Resultaten visar på att vattenflödena från fyra av nio upptagningsområden som har sitt utlopp i Strömsbergsbäcken bör genomgå någon form av åtgärd som bromsar eller minskar dagvattenflödena innan det återgår till den naturliga vattencykeln. Dagvattenflödet kan minskas genom att anlägga åtgärder i området innan vattnet når vattendraget. Flödena kan också minskas genom åtgärder i anslutning tillbäcken, vid de utloppen där de största flödena förekommer. En väsentlig lösning för Strömsbergsbäcken är t.ex. att bygga om den befintliga branddammen, som ligger intill ett av utloppen, till en fördröjningsdamm för att bromsa en del av flödena i bäcken.

  • 10.
    Bahho, Ashorita
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Brodin, Clara
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Integrering av BIM i slutbesikting2019Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
  • 11.
    Björkén Nilsson, Sofia
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Hansson, Jennifer
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    En jämförelse av två arbetsmetoder för framtagning av rumsbeskrivningar2018Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Purpose: BIM have been criticised as a standalone framework and the believe is that the next step in BIM development is cloud computing. The technology simplify planning of a sustainable construction and hasten the building process through a collaborative friendly information management among different project actors. The implementation of the technology hasn’t been that noticeable since companies are struggling to understanding the technologies contribution. The goal of this research is therefore to investigate the potential of using cloud technology in architects daily work with room finish schedule.

    Method: To answer the goal of the study, interviews about room finish schedules have been made with five architect companies to collect empirical data. The company's internal documents of room finish schedule have been analysed and the research also makes a literature study and an observation of the cloud service BIMeye.

    Findings: The study shows that the main differences between an analogue and digital approach are: the link to the model, input of information and management of revisions. The companies have generally a positive attitude towards the technology, but there are doubts about changing their way of working. The cloud service BIMeye meets the companies needs and has great potential to make several tasks, that are considered time consuming in today´s work, more efficient, such as lay-up of rooms, input of information, review of conflicting documents and management of revisions. This mainly through the database's connection to the model and the database's way of managing information more automated.

    Implications: The conclusion that can be made is that great potential is seen with cloud services as a working method for producing room finish schedules. The transition process to cloud services implies a change of working method but not in the final result. Where cloud services entail additional work in the model to enable a connection to the description, but at the same time contributes to an automatic input of information about rooms. Another change in working method is the ability of cloud services to create parameters that differs from the otherwise analogue paper-work. Revisions in the database get a break through throughout the whole description, in contrast to individual adjustments in the document. Recommendations as a result of the study is to inform companies about the possibilities and impact the technology has on their work. In order to achieve an overall perspective in the industry, new solutions are required so that companies see internal profits with the implementation.

    Limitations: The result is considered to be applicable to other architect firms since it has appeared from interviews and document analyses that the companies work in similar ways. However, whether the result of the test of BIMeye can be applied to other cloud services is uncertain. The research’s limitation to disregard investment cost has restrict the study as it is a significant factor when implementing new technology.

  • 12.
    Blom, Martina
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Landstedt, Sara
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Granskning av 3D-printingens möjligheter vid utformning av byggnader2016Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Purpose: There is today limitations of what is possible to design and in fact produce.

    In industrial construction the focus is on standardization which impedes an individual

    design form, which can be considered an architectural quality. The potential of 3Dprinting

    is growing, which is benefitting design freedom.

    The goal was to evaluate how 3D-printing in Sweden today could increase architects

    possibilities at the design process and be production adapted.

    Method: In a case study at Tengbom in Jönköping, interviews were included with three

    architects. In addition, a literature review, a telephone interview and a focus group

    interview formed the basis of the collected material. As an initial phase, a focus group

    interview was conducted, which resulted in the actors’ opinions about 3D-printing. The

    architect interviews contributed with high credibility regarding architectural qualities,

    which together with the other collection methods gave answers to the studies questions.

    Findings: The study shows that it is possible to print building components in Sweden.

    However it is not possible, with 3D-printing, to produce entire buildings. It can be

    shown that there are obstacles for the introduction of the technology, such as economy,

    Swedish laws and lack of knowledge. These should be reviewed to allow 3D-printing

    as a manufacturing method. With Rapid Ornament Production larger architectural

    qualities will conduce to, where 3D-printing allows unique solutions. Solutions no other

    technology can achieve.

    Implications: Customized and varied buildings can be achieved thanks to 3D-printing.

    Building components such as light weight walls, ornaments and details can be produced

    in Sweden today. One advantage of 3D-printing as a technology, is that it provides

    greater freedom between design and production. For further development of 3Dprinting

    a greater knowledge is recommended for industry stakeholders, regarding the

    drawing tools as well as the 3D-printing technology.

    Limitations: The result is applicable to architects, working at architectural offices

    similar to Tengbom in Jönköping. There have not been deeper studies regarding of

    printing technologies, finances, materials, time or law. A case study as research strategy

    entails an interpretation of the opinions, which limits the generalization of the results.

    Keywords: 3D-printing, design, production, architectural qualities, possibilities,

    limitations, industrial construction.

  • 13. Borgogni, Francesco
    et al.
    Calvano, Michele
    Moscati, Annika
    Sapienza University of Rome.
    The dome of Saint Yves at La Sapienza in Rome: Digital modelling as method of knowledge2012Inngår i: Proceedings of the First International Congress Domes in the World, Florence, March 19 - 23, 2012, Florence: TecnoConference , 2012Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The work presented here was developed as a major training activity of the Seminar of Urban Survey by the students of the XXVIII and XXIV cycle doctorate in Science and the Representation of Survey. Survey is the main tool to understand an architectural work and the several features that rule its spatial concept. The architectural complex of Saint Yves at La Sapienza, original place where was based the University of Rome, is full of interesting information to be learned. The building was designed by Francesco Borromini and implemented in the second half of XVII Century: its shape is characterized by a strong centralization, which is the result of the plan design. The plan of the building was born from the composition and interaction of different geometrical shapes, like the circle, the triangle and the hexagon. These shapes are all pivoting around a strong center but creating a complex weave of lines and curves around it. Centrality is enhanced by the giant coupled responds forming six huge pillars joined by the projecting cornice, directly leaned on the Corinthian capitals of the aforementioned columns. The last fillet of the cornice highlights in silhouette the strong intention of the designer, expressed by the multi-curved shape at the base of the dome. Finally we reach the sky at the top of the dome, where shapes melt in the light coming out of the big windows: here moldings are the only elements which keep together the big vertical columns rising from the ground and disappearing in the shadow. The base of the dome gets together the complexity of architectural elements below, reducing it, as the eye rises to the top, to the simplicity of the circle at the base of the skylight turret. This spatial concept, which is like inviting to look up to the “starry sky of the dome”, expresses itself also outside the building through the geometrical concept of the skylight turret. The turret is set up on a circle at the base and rises up following an helicoidal trend, being decorated continuously from the base to the flamed crown at the top. The completion of the turret is represented by a spherical element, probably symbolizing the Globe, suspended above the flames, which are symbolizing the Christian Charity operated by Saint Yves and embodied by the Pope. The entire complex is crowned by the more explicit symbol of the Christian tradition which is placed next to the sky: the Cross. In the architectural complex of Saint Yves, every decoration lives on its own, but its position respect to the whole building enhances its symbolic value, more than the simple decorative one. The virtual reconstruction, both in a bi-dimensional and tri-dimensional way, of the building of Saint Yves at La Sapienza, has been carried out only through a complex integrated survey methodology, made with long-range 3D laser scanners and high-resolution cameras. After some preliminary elaborations of the data resulting from the survey, like organizing and selecting all the points scanned, it has been possible starting the effective virtual reconstruction. Through the analysis of survey data and the selection of appropriate projection planes, horizontal and vertical sections of the model have been extracted to better understand the geometrical concept. This allowed a critical interpretation of the architectural complex, understanding even the most complex shapes and reducing them to simpler ones. From a practical point of view, the tri-dimensional reconstruction has been executed through an hybrid process, melting the geometrical precision of NURBS surfaces, concerning the architectural aspects, and the adaptability of polygonal modeling applied to the organic shapes of the decorations. This methodology allowed to deeply understand the articulated geometrical solutions designed by Borromini, representing a base for further analysis and studies on these issues.

  • 14.
    Brandt, Julia
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Svensson, Linnéa
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Approaching urban sustainability: - a minor field study in India2013Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    This thesis aims to enable improved urban sustainability in India and has therefore been conducted at WSP’s office in Delhi. The objective has been to chart the Indian characteristics as well as to identify difficulties regarding urban sustainability. The purpose and objective have been accomplished through the implementation of three research questions. The questions have been answered by a literary review of existing theories and a complementary document analysis. Furthermore, a case study of a new development in India with long-term sustainability in focus of the design has been conducted. For an Indian city to achieve a sustainable urban development, five pillars of sustainability have been identified; political, physical, ecological, social and economic. The ecological, social and economic are pillars from the common definition of sustainability, however they have different meaning and focus in the Indian context. The physical and political pillars are therefore characteristic for the Indian urban development. The physical pillar is added in the Indian context since short term planning and focus on profit is dominating the building industry. The demand for maintenance is because of that larger than the supply which results in a need for more emphasis on the physical built environment. The political pillar is applied because of the concerns for the value and quality of governance actions. It affects the four other pillars since the government should provide guidance, both with instructions and by executions, which is not always apparent. The Indian government has introduced several strategies in order to achieve sustainability in Indian cities. Rating tools for sustainability, such as Leed and Griha, together with the planning of spatial city forms, such as compact city form and mixed land use, which are the main procedures. Benefits in terms of lower interest rates on loans and a quicker clearance are given to developers who intend to build sustainably. Though the many theories and strategies seem ambitious, they are not always as effective when translated into practice. This is partly because of the lack of follow-up and partly the clients focus on quick profit. Thus, India is facing many challenges in order to reach a sustainable urban development. Together with urbanisation and growth in population, corruption is the main challenge since many other follows. These are lack of awareness in the field of sustainability, short term planning and the focus on profit as well as public safety and poverty. If India is serious about developing its cities sustainably, it is significant for the Indian government to take an inspiring role in using and promoting sustainability.

  • 15.
    Cancino, Milton
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Milhajlovic, Darko
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Jönköpings Hamn2006Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Abstract

    This thesis presents a proposal of a pier for the future in the town of Jönköping. The proposal is based on individual ideas and desires to develop the Harbor Pier of Jönköping from the municipality as well as the interest of partners.

    Background

    Jönköping is a town that has been under constant development for the past five years. The main goal for the municipality is to unite the town center and one of many plans is to create a new entertainment corridor. At the same time it is important that the Harbor Pier follows this development and improves, so that its strategic position does not get lost. According to the Office of City planning in Jönköping there is a pressure on the municipality to create a more tourist friendly Harbor Pier with additional activities. The commission that we were given was to construct a vision of the pier area with the help of the partners needs. The Office of City planning is the orderer of this project.

    Implementation, Result and Conclusion

    To create understanding and setting of the paper we have gathered historical facts about the pier area and interviewed important partners for the thesis. Fieldtrips have been done for inspiration and collection of information that relates to the different conditions that creates a harbor. The sketches and drawings have regularly been edited and corrected because of the constant change of ideas. On the basis of this we have supplied a building program that resulted to the design of the Harbor Pier. Together with our own thoughts, the outcome of this is a proposal of the future Harbor Pier of Jönköping.

    This proposal presents five different areas that have been analyzed and prepared in detail. The design has resulted to a new entry to the Harbor Pier that is more functional and attractive than the one that exists today. The proposal also presents a new harbor for smaller boats that connects to a youth hostel along with a bath and a recreation area. A new complex has enriched the pier arm where the town sailing society has their activities today. This complex consists of a marine shop that integrates with a restaurant. A stage has also been established in this area to promote the towns’ cultural life and upbeat the nightlife of Jönköping. To finally create a feeling of tourism in Jönköpings’ harbor, sandy beaches have been planned east of the existing restaurants. This result has also been produced in a three-dimensional environment to gain the understanding of the new vision.

    The conclusion of this thesis is that the different partners’ wishes have been fulfilled at the same time as our own ideas have resulted into a socially functioned harbor with many different activities and an exiting environment.

  • 16.
    Carlsson, Cassiopeja
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Selse, Elin
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Evidensbaserad utformning och utvärdering av övergångsprocessen till ett effektivt aktivitetsbaserat kontor2018Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Purpose: With the vast changes in the work life comes changes in the office design. One of the newest on the market is ABW (Activity Based Workplace), were the employees themselves chooses were to sit in the office depending on what fits them best according to the moment. This thesis contributes with knowledge that is necessary for an organisation to know before they begin using an ABW.

    The goal is to evaluate how an efficient ABW-environment is created. An ABW are efficient when the workplace concept works the way it is supposed to do and with that provides good results from the recourses that are available. This thesis addresses the implementation of the transition to an ABW from a traditional office type and how the office design could look from evidence-based results.

    Method: The main strategy for this thesis is a case study that involves the organisation NCC. That is because the evidence-based design is based on their workforce and their office building. The thesis goal is achieved through four different data collection methods: literature study, interview, observation and guidance form an architect. These methods were chosen to gather both qualitative and quantitatively data.

    Findings: The findings are divided into three areas: the first question of issue presents the different office types performances, there are both advantages and disadvantages with all office types. The advantages that can be found in these office types is for instance the cell offices privacy, the open landscapes interaction possibilities and that the kombi office retain the social environment whilst still give privacy from other employees. Whereas availability and flexibility are the most significant advantage of an ABW. Some disadvantages are how cell offices can be unwelcoming, the open landscapes noise level and the fact that you can not work in teams in a kombi office.

    The second finding is the evidence-based office design proposal, from an efficiency point of view. A collocation of the factors that needs to be thought of when designing an ABW is the fundament of this proposition. Some of these factors are for example the possibility to privacy, have co-workers nearby and distinct zone divisions.

    The third finding of the thesis demonstrate an evaluation of the transition to an ABW. An evaluation has shown to be necessary when establishing an efficient ABW. One of the most important part is to understand the employees, meet their needs and let them be heard.

    Implication: It takes both well planned transition and good design for an ABW to preform efficiently. Design and efficiency depend on each other and there are a few distinguished factors of what makes a workplace environment efficient. When talking about the transition to an ABW it is important to have a substantial process were the employees are given the possibility to be involved and informed of the ABW-concept and its impact.

    Limitations: The main limitations of this thesis are from a design perspective, such as artificial lightning, technical equipment and ventilation. The focus instead lies with the placement of walls and rooms, as well as furnishing. The economy aspect is also something that has not been taken into consideration, either when designing or in the evaluation process. This is maintained by defining the searches and stay focused.

  • 17.
    Chraibi, S.
    et al.
    Philips Lighting B.V., Eindhoven, the Netherlands.
    Creemers, P.
    Department of the Built Environment, Building Lighting Group, Eindhoven University of Technology, Eindhoven, the Netherlands.
    Rosenkötter, C.
    Department of the Built Environment, Building Lighting Group, Eindhoven University of Technology, Eindhoven, the Netherlands.
    van Loenen, E. J.
    Department of the Built Environment, Building Lighting Group, Eindhoven University of Technology, Eindhoven, the Netherlands.
    Aries, Myriam
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Rosemann, A. L. P.
    Department of the Built Environment, Building Lighting Group, Eindhoven University of Technology, Eindhoven, the Netherlands.
    Dimming strategies for open office lighting: User experience and acceptance2019Inngår i: Lighting Research and Technology, ISSN 1477-1535, E-ISSN 1477-0938, Vol. 51, nr 4, s. 513-529Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Sensor-triggered control strategies can limit the energy consumption of lighting by considering the presence of users in the office and dimming lighting down when it is not needed. In multi-user offices, the application of occupancy-based dimming at room level limits the energy saving potential. However, zone- or desk-based dimming may affect the comfort of co-workers due to its dynamics. This paper reports the assessment by 17 participants (30–50 years of age) of occupancy-based dimming in a mock-up office, using different dimming speeds. Participants consisted of co-workers experiencing changes triggered by others, and actors triggering these light changes. While the participants performed an office-based task, the luminaire above the actors’ desk was dimmed from approximately 550 lx to 350 lx (average horizontal illuminance), and vice versa. The participants evaluated the dimming conditions regarding their noticeability and acceptability. The study showed that the noticeability of light changes due to dimming, increases when fading times become shorter. Dimming with a fading time of at least two seconds was experienced as acceptable by more than 70% of the participants. The results of this experiment provide insights to system behaviour that does not compromise user experience while addressing energy efficient use of electric lighting.

  • 18.
    Collin, Victor
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Viktor, Eriksson
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    SABOs kombohus som senioranpassat boende2016Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Syfte: Många av SABOs typhus, kombohusen, har en majoritet av hyresgäster över 65 år. Detta var inte planerat vid utformning av bostadshusen utan tanken var att bygga ett flerbostadshus till ett lågt pris. Därför kan kombohusen sakna produkter och utformning som äldre hyresgäster behöver. Ett kombohus kan se olika ut men det de har gemensamt är att de är upphandlade av SABO och kan avropas av deras medlemsföretag. Kombohusen har även vissa likheter i form av produktval och utformning av lägenheterna. Bostäderna uppfyller SIS-standard men det betyder inte att allt är anpassat för en äldre hyresgäst. Eftersom andelen seniorer i Sverige ökar så kommer det behövas fler tillgängliga bostäder. Målet i denna undersökning handlar därför om att utvärdera SABOs kombohus och identifiera faktorer som kan förbättras för att åstadkomma ett bättre anpassat boende för seniorer.

    Metod: I studien har fem olika kombohus undersökts utifrån ett tillgänglighetsperspektiv där den huvudsakliga metod som använts är intervjuer. De intervjuade är hyresgäster som brukar en lägenhet i kombohusen samt bostadsföretagen som har låtit uppföra byggnaden. Studien består även av en fallstudie där en inventering av miljöhinder (tillgänglighetsgranskning) har utförts med hjälp av Housing Enabler Screening Tool. Verktyget behandlar punkter inom olika områden: inomhus, entréer och utomhusmiljöer. Om byggnaden inte uppfyller någon punkt får den en anmärkning inom det specifika området.

    Resultat: Undersökningen har visat att de flesta anmärkningarna hos kombohuset har varit inomhus. Även att det kombohus som klarade sig bäst var i Ronneby som är ett kombohus anpassat till trygghetsboende vilket bland annat innebär förhöjd tillgänglighet i badrum. I studien har författarna kommit fram med förslag för att förbättra framtidens kombohus för att kunna åstadkomma ett bättre anpassat boende för seniorer med hänsyn till tillgänglighet.

    Konsekvenser: Slutsatser som har tagits är att konceptet med kombohuset har stora möjligheter att i framtiden ge fler tillgängliga bostäder på marknader där det verkligen behövs. Dessutom att några av de kontrollerade punkterna är lite svagare och bör åtgärdas även i det befintliga beståndet. Exempel en sådan punkt är utrymme för rollator i lättillgängligt förråd eller förvaringsmöjligheter i trapphus som inte utgör en brandfara eller blockerar utrymningsvägar då många hyresgäster i kombohusen använder sig av rollator. En slutsats som författarna har kommit fram till är att många av de intervjuade anser att det görs för lite uppföljning av hur hyresgästerna upplever boendet. Fler uppföljningar tillsammans med hyresgäster med hänsyn till tillexempel arkitektur och utformning är en stark rekommendation.

    Begränsningar: Studien baseras på empiri från fem kombohus men detta anses vara tillräckligt då kombohusen är typhus och många är utformade på samma sätt. Studiens resultat skulle därför troligtvis vara samma även om andra kombohus hade valts.

  • 19.
    Dahlberg, Ida
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Lindblad, Jessica
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    ANALYS AV STATIONSHUS UPPFÖRDA 1860–1900 MED BEVARANDE- OCH ENERGIKRAV I KLIMATSKALET2017Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Syfte: Linde Bjur och Engström (2009) skriver att det finns 2000 äldre stationshus i Sverige och att det är en kulturhistorisk skatt. Under tidens gång har de förlorat sin status och flera rivits. Idag nyttjas ej längre flertalet byggnader inom Trafikverkets verksamhet och ska därför rivas eller säljas (Trafikverket, 2015). Fokus bör ligga vid försäljning men då uppstår nya problem. Då stationshusen skiljts från järnvägsverksamhet krävs en ändrad användning. Myndigheter kan då ställa krav likvärdig en nyproduktion, exempelvis på energianvändning. 2020, när nya direktiv sätts från Europaparlamentet och rådet (EU) på energihushållning blir kraven strängare, bebyggelse ska motsvara NNE-hus. Boverkets byggregler (BBR) beskriver dock att fall vid ombyggnad kan ha som enda mål att eftersträva specifika U-värden. De förändringar som då bör göras för att uppnå energikraven i stationshus från 1860-1900 kan komma att påverka stationshusets insida och/eller utsida vilket då inskränker på bevarandekrav. Målet med denna studie är att undersöka möjligheter om byggtekniska detaljer som praktiskt behöver och kan utföras för att uppnå energikraven 2020 vid ändrad användning för stationshus med kulturhistoriskt värde och bevarandemärkning.  

    Metod: I denna studie används både kvalitativa- och kvantitativa metoder. Arbetet inkluderar fem fallstudier med fem tillhörande intervjuer och beräkningar gällande energianvändning. Beräkningar görs för byggtekniska detaljer (U-värden) och för hela byggnaden (specifik energianvändning) genom ett beräkningsprogram.

    Resultat: Denna studie visar att U-värden i klass med ett NNE-hus i helt klimatskal är starkt problematiskt att nå då bevarandekrav gäller och om byggnaden är uppförd 1860-1900. Detta då de äldre byggnadernas byggtekniska detaljer har hög värmegenomgång i sitt ursprungsläge och kräver mer tilläggsisolering än en modern byggnad. Den byggtekniska lösningen som verkar mest positivt för både bevarandekrav och U-värdeskrav är isolering av vindsbjälklaget om vindsutrymme kan avvaras. Detta då ingen del som berörs av bevarandekrav exteriört förvanskas och är lättast att genomföra praktiskt.   

    Konsekvenser: De slutsatser som kan dras från denna studie är i linje med BBRs rekommendationer. BBR beskriver att ”om vindsutrymmet inte är avsett att vara uppvärmt kan isoleringen placeras i vindsbjälklaget” (BFS 2011:26). Även ägare har visat sig vara mest positiva till isolering av taket samtidigt som just isolering av vindsbjälklaget kan vara negativt då det tar upp annars disponibel yta.

    Begränsningar: Varje byggnad som ansöker om ändrad användning eller genomgår en större ombyggnad kan tvingas uppnå tidsenliga krav på energiförbrukning. I studien undersöks specifikt stationshus uppförda 1860–1900 med bevarandekrav. Andra byggnader som uppkommit under samma tidsspann kan förväntas ha någon form av bevarandemärkning. Därför kan denna studie tillämpas generellt på byggnader från nämnt tidsspann som möter liknande problematik, dock kan resultatet bara tillämpas där vindsutrymmet kan avvaras. 

  • 20.
    Danielsson, Cristina
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    BOSTADENS NÄRMILJÖ I ETT HÅLLBARHETSPERSPEKTIV2014Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    A majority of Sweden’s population, about 80 %, lives in urban environments, and

    a majority of them live in residential complexes with shared residential yards.

    People spend a large part of their time in or around their home, which is why the

    outside environment and the green space in the area play an important part in a

    person’s well being. The green yard offers space for children’s activities,

    recreation, solitude, relaxation and gardening and gives the opportunity to learn

    and understand nature and its processes.

    The green yard also constitutes a part of the city’s factual green structure, informal

    green spaces that are not owned by the city and are therefore not included in the

    formal planning processes. The green residential yards also provide a number of

    ecosystem services such as climate regulation, purification of water and air and

    rainwater infiltration, all of which are of importance in the fight against climate

    change.

    The goal of this thesis has been to present the advantages an improved planning

    and maintenance of the urban green space and the residential yard in particular

    can offer. A number of important properties and functions that affect a yard’s

    functionality and how it is perceived are also presented and explained.

    The paper also aims to offer a better understanding of the garden’s role in

    improving the social conditions in the neighbourhood, and of the importance of

    involving the residents in planning and maintaining the green spaces. A number of

    case studies and analyses offer a more concrete perspective on the real world

    situations, and of successful refurbishment projects. Involving the residents in the

    formal planning and building processes has been proved to have positive effects

    on revitalising areas such as Gårdsten in Göteborg. Tenant involvement in open

    space management can lead to a positive spiral where people start caring for and

    identifying themselves with their neighbourhood, which can reduce the degree of

    stigmatisation and marginalisation.

  • 21.
    Davidsson, Anneli
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Munteanu, Michaela
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Scandinavium: Sveriges största inomhusarena2009Independent thesis Basic level (professional degree), 10 poäng / 15 hpOppgave
  • 22.
    Davoodi, Anahita
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Johansson, Peter
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Aries, Myriam
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    The use of lighting simulation in the evidence-based design process: A case study approach using visual comfort analysis in offices2019Inngår i: Building Simulation, ISSN 1996-3599, E-ISSN 1996-8744Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The EBD-SIM (evidence-based design, simulation) framework is a conceptual framework developed to integrate the use of lighting simulation in the EBD process to provide a holistic performance evaluation method. A real-time case study, executed in a fully operational office building, is used to demonstrate the framework’s performance. The case study focused on visual comfort analysis. The objective is to demonstrate the applicability of the developed EBD-SIM framework using correlations between current visual comfort metrics and actual human perception as evaluation criteria. The data were collected via simulation for visual comfort analysis and via questionnaires for instantaneous and annual visual comfort perception. The study showed that for user perception, the most crucial factor for visual comfort is the amount of light on a task area, and simple metrics such as Eh-room and Eh-task had a higher correlation with perceived visual comfort than complex performance metrics such as Daylight Autonomy (DA). To improve the design process, the study suggests that, among other things, post-occupancy evaluations (POEs) should be conducted more frequently to obtain better insight into user perception of daylight and subsequently use new evidence to further improve the design of the EBD-SIM model.

  • 23.
    Davoodi, Anahita
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH. Forskningsområde Bebyggd miljö.
    Johansson, Peter
    Högskolan i Jönköping, Tekniska Högskolan, JTH. Forskningsområde Bebyggd miljö.
    Enger, Johanna
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Comparison of lighting simulation tools with focus on lighting quality2014Konferansepaper (Fagfellevurdert)
    Abstract [en]

    By the rise of concerns for global warming, reducing emissions via lowering energy consumption has become a necessity in every sector and the lighting sector is no exception. However, it should not come at the cost of lighting quality and user comfort which is a common practice in today’s lighting design and energy reduction initiatives. The “energy reduction” view should change toward “value driven optimization” in which energy reduction is balanced against lighting quality and user comfort for optimization of the total value of the building. As the use of IT technology grows in lighting design, constant reviews of the software tools are necessary in order to evaluate their performance and ability to design value driven lighting.The main objective of this paper is to compare different lighting simulation tools with respect to their ability to simulate lighting quality both artificial and daylight. The indicators for the comparison are defined based upon findings from another project “criteria for good lighting quality” that is currently being conducted at the same university. First, current numerical metrics for lighting quality are summarized. Then, different simulation tools are evaluated based on a literature study. The outcome of this research summarizes the strength and shortcomings of a number of simulation tools.

  • 24.
    Davoodi, Anahita
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH. Forskningsområde Bebyggd miljö.
    Johansson, Peter
    Högskolan i Jönköping, Tekniska Högskolan, JTH. Forskningsområde Bebyggd miljö.
    Enger, Johanna
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Belysningslära.
    نرم افزارهای شبیه سازی نور، چالشها و فرصتهای پیش رو2014Konferansepaper (Fagfellevurdert)
  • 25.
    Davoodi, Anahita
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Johansson, Peter
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Henricson, Maria
    Högskolan i Jönköping, Hälsohögskolan, HHJ, Avd. för omvårdnad. Högskolan i Jönköping, Hälsohögskolan, HHJ. ADULT.
    Aries, Myriam
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    A Conceptual Framework for Integration of Evidence-Based Design with Lighting Simulation Tools2017Inngår i: Buildings, ISSN 2075-5309, E-ISSN 2075-5309, Vol. 7, nr 4, artikkel-id 82Artikkel, forskningsoversikt (Fagfellevurdert)
    Abstract [en]

    The use of lighting simulation tools has been growing over the past years which has improved lighting analysis. While computer simulations have proven to be a viable tool for analyzing lighting in physical environments, they have difficulty in assessing the effects of light on occupant’s perception. Evidence-based design (EBD) is a design method that is gaining traction in building design due to its strength in providing means to assess the effects of built environments on humans. The aim of this study was to develop a conceptual framework for integrating EBD with lighting simulation tools. Based on a literature review, it was investigated how EBD and lighting simulation can be combined to provide a holistic lighting performance evaluation method. The results show that they can mutually benefit from each other. EBD makes it possible to evaluate and/or improve performance metrics by utilizing user feedback. On the other hand, performance metrics can be used for a better description of evidence, and to analyze the effects of lighting with more details. The results also show that EBD can be used to evaluate light simulations to better understand when and how they should be performed. A framework is presented for integration of lighting simulation and EBD

  • 26.
    Davoodi, Anahita
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Johansson, Peter
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Laike, Thorbjörn
    Department of Architecture and Built Environment, Environmental Psychology, Lund University, Lund, Sweden.
    Aries, Myriam
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Current use of lighting simulation tools in Sweden2019Konferansepaper (Fagfellevurdert)
    Abstract [en]

    This paper presents the findings of a web-based survey on the current use of lighting simulation tools in Sweden. The objective was to understand which lighting simulation tools are currently used in Sweden and to understand the design practitioners’ needs for future software development. The results showed that lighting simulation programs are widely used in Sweden. However, the respondents paid less attention to daylight than to artificial light. The respondents’ principal training methods were university courses and self-study. Interior illuminance values, glare indexes, and the daylight factor were the most commonly calculated simulation outputs. “Ease of use” and “accuracy” were identified as the most important factors in the use of the software, while “slowness of simulations process” causes the most dissatisfaction. Dialux was the most popular software program used.

  • 27.
    Ekelund, Daniel
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Socialt hållbar stadsplanering: Kommunal stadsplanering i samspel med digitala verktyg för rörelse och kommunikation2013Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Med hållbar stadsplanering menas en planering som värnar om framtiden och

    kommande generationer. Inom detta område berörs såväl tekniska som fysiska

    aspekter inom samhället. Rapporten fokuserar på hållbar stadsplanering i form av

    kommunikation, rörelse och integration vid utformning och planering av

    stadsdelar, samt det faktum att det finns digitala verktyg som inte utnyttjas

    regelbundet i det dagliga arbetet.

    I samspel med Borås Stad har en analys gällande arbetsmetoder vid stadsplanering

    genomförts. Begreppen kommunikation, rörelse och integration diskuteras och

    analyseras i relation till kommunens arbete. Syftet är att formulera och pröva en

    arbetsmodell som kan vara vägledande inom arbetet med hållbar stadsplanering.

    Målet är undersöka om det finns grund för introducering av digitala verktyg som

    strategi i kommunens stadsplanering.

    Frågeställningarna berör kvalitetsbegreppen kommunikation, rörelse och

    integration samt hur dessa tillämpas vid daglig kommunal stadsplanering. Genom

    litteraturstudier och en intervju har dessa besvarats. Till sist har en Space Syntax

    analys i kombination med en fallstudie, av området Simonsland i Borås,

    genomförts.

    Området för fallstudien skall omvandlas från isolerat industriområde till florerande

    högskolecampus och kulturcenter. Med hjälp av det digitala verktyget Space

    Syntax har platsen analyserats i sin tidigare samt nya utformning.

    Space Syntax är ett rumsanalytiskt verktyg, som beräknar hur vägar och stråk i

    form av axiala linjer samspelar och integrerar med varandra. Denna analys mynnar

    ut i färgkodade illustrationer, som påvisar starka och kritiska punkter inom stadens

    rörelsemönster.

    Arbetet med utveckling av hållbar samhällsplanering inom kommunen är en

    ständig process. Det finns inga exakta ramar eller arbetsmetoder som tillämpas vid

    främjande av kvalitetsbegreppen rörelse, kommunikation och integration.

    Arbetsprocesserna ses som ett handlingsspel där målet är att tillfredsställa så

    många parter som möjligt.

    I examensarbetet presenteras konkreta och tydliga argument som påvisar varför

    och hur Space Syntax kan spela en påtaglig roll inom kommunal stadsplanering.

    Vikt har lagts vid hur olika intressenter kan dra nytta av verktyget samt hur

    åtgärderna kan genomföras med enkla medel.

    Resultatet visar att det finns grund för att introducera det rumsanalytiska verktyget

    Space Syntax i den kommunala stadsplaneringen. Verktyget bidrar med goda

    kunskaper om det framtida utfallet av byggnationers påverkan på rörelsemönster i

    staden.

  • 28.
    Eklöv, Evelina
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Liljeqvist, Jessica
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Anpassning av byggregler vid förtätning på en begränsad tomtyta2019Independent thesis Basic level (university diploma), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Syfte: Dagens urbanisering ger behov av förtätning av stadskärnor vilket kan leda till borttagande av parkering, grönområden och solljus. Att bygga och bo i innerstäder är dyrt på grund av höga markpriser, komplicerade projekt och en hög efterfrågan på bostäder. Bostäder idag utformas utefter regelverken SIS och BBR vilket i innerstäder kan få komplikationer. Målet med arbetet är därför att ifrågasätta vissa regler kring tillgänglighet, rumshöjd och ljusförhållanden i syfte att förenkla förtätning och skapa ett nytt förslag av en planerad infill-fastighet där en varierad lägenhetsstruktur uppnåtts tillsammans med en potentiell ekonomisk vinst.

     

    Metod: Arbetets undersökningsmetoder är kvalitativa och består av litteraturundersökningar, dokumentanalyser och intervjuer. Dessa utfördes för att analysera dagens förtätning och resultera i en skissning där byggregler avskaffats för att förenkla viss förtätning.

     

    Resultat: Arbetets skissning visar att en mångfaldig lägenhetsstruktur är uppnåbar via avskaffande av vissa BBR-krav som skapat olika lägenhetstyper, intressanta volymer, tvåvåningslägenheter och yteffektiva planlösningar. Avskaffandet av regler för att förenkla förtätning påverkar inblandade på ett eller annat sätt.

     

    Konsekvenser: Att avskaffa byggkrav i förtätningssammanhang kan ta bort kvalitéer som dagsljus och tillgänglighet i bostäder. Kortsiktiga lösningar på parkeringsbristen finns men förtätning med levande bottenvåningar utförs för att lösa parkeringsbristen långsiktigt genom att skapa tillgångar geografiskt nära människor som minskar behovet av bil. Att avskaffa regler kan leda till enklare projektering och bidra med viss ekonomisk fördel, men dyr nybyggnation tillsammans med hög efterfrågan på centrala bostäder kan försvåra för låga budgetar och prissänkning av bostäder.

     

    Begränsningar: Det generella resultatet av arbetet gällande regelavskaffande fungerar i förtätningssammanhang i andra täta städer men då undersökningen är baserade på Jönköpings innerstad och erfarenheter och åsikter kopplade dit kan generella giltigheten ifrågasättas. Skissningen är baserad på egna åsikter och endast lämplig i detta sammanhang.

     

    Nyckelord: Förtätning, infill, flerbostadshus, urbanisering, byggregler, standard, tillgänglighet, rumshöjd, ljusförhållanden, stadskärna, innerstad.

  • 29.
    Elander, Sofia
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Bolmstad, Elin
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Byggnadsmodellers anpassning inför 3D-utskift & dess användning2016Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Syfte: Att utreda hur digitala 3D-modeller bör anpassas inför utskrift i en 3D-skrivare samt undersöka hur en sådan modell kan användas i byggprocessens olika skeden.

    Metod: En fallstudie genomförs med en befintlig digital 3D-modell som utgångspunkt där intervjuer och action research används som datainsamlingsmetoder. Empirin jämförs och analyseras med det teoretiska ramverket som tagits fram genom litteraturstudier.

    Resultat: En fysisk 3D-modell skulle kunna användas i flera skeden i byggprocessen, huvudsakligen i idéskedet, produktionsskedet och genomgående processen som ett kommunikationsverktyg och vid reklam/försäljning/presentation för ökad förstående. Inför utskrift bör alla byggnadsdelar vara solida, detaljer bör raderas beroende på skala och komponenter bör bestå av samma material.

    Konsekvenser: Då intervjuerna utförs med personer med varierande kunskap och erfarenhet är det viktigt att beakta det faktum att förslag på användningsområden eventuellt inte är genomförbara i praktiken då dessa är önskemål. Trots detta kan användning av fysiska 3D-modeller rekommenderas i flera av byggprocessens skeden för ökad förståelse och bättre kommunikation, vilket även styrks av det teoretiska ramverket. Gällande anpassningar av en digital modell krävs en digital 3D-model som utgångspunkt och viss vana av 3D-projektering.

    Begränsningar: Då denna studie är en fallstudie utförd på ett specifikt fall, kan kunskap och rekommendationer inte generaliseras statistiskt på andra typer av byggnader. Dock kan resultatet i denna studie implementeras på liknande projekt om små justeringar tillämpas. På grund av det faktum att studien är kvalitativ med ett begränsat antal respondenter finns möjlighet till ett annat resultat om utförandet skett med andra förutsättningar.

    Nyckelord: BIM-modell, fysisk byggnadsmodell, 3D-modell, 3D-skrivare, 3D- utskrift 

  • 30.
    Eminovic Helmersson, Emma
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Hansen, Helena
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Dagsljusförhållanden vid förtätning2018Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Syfte: I människans natur har det sedan tusentals år tillbaka varit kroppens egna dag-och nattklockor som styrt dygnsrytmen. Elektricitet och dagens moderna levnadssätt har betytt en förändrad dygnsrytm som människan inte hunnit anpassa sig till. Förtätning är en senare trend som tillkommit i sättet att bygga städer på. Effektivisering av markytan innebär dock en konflikt med faktorer som exempelvis ljus. Genom studiens analysobjekthar hantering av dagsljusfråganstuderats, i hopp om att se vart i processen det brister. Studiens mål är att se vilka dagsljuskrav man kan ställa på ett samhälle där förtätning sker.

    Metod: Huvudsaklig metod för insamling av empiri är intervjuer. Dessa kompletteras med en dokumentanalys. En fallstudiegenomförs på ett analysobjekt innehållande de två metoderna. Studien tillämpar ett kvalitativt angreppssätt.

    Resultat: Omkringliggande byggnader är den mest avgörande faktorn för dagsljuset. Det måste hanteras i planeringsskedet. Kommuner måste arbeta med dagsljuset vid framtagning av detaljplaner för att sedan kunna ställa krav i bygglovsprocessen. Vertical Sky Component är ett digitalt verktyg som kan användas för att förebygga att projekt med bristfälliga dagsljusförhållanden förekommer. Som resultatfrån studienvar för täta byggrätter i detaljplanen den avgörandefaktorntill att analysobjektetinteklarade dagsljuskravet iMiljöbyggnad Silver. Miljöbyggnadhar nyligen tillåtit en sänkning av dagsljusfaktorn med belägg i senare forskning. Dehar inga planer på att sänka dagsljuskraven ytterligare.

    Konsekvenser:Ju tidigare man arbetar med dagsljusfrågan desto större påverkan har det på slutresultatet. Dagsljussimuleringar i planeringsskedet ger bättre förutsättningar för att kunna klara dagsljuskrav. Aktörer i branschen bör anpassa sig till gällande dagsljuskrav och inte tvärtom. Riktlinjer vid stadsplanering så som vrida byggnadsvolymer, avfasning av hörn, tillräcklig gatubredd och inte för djupa byggnadsplaner bör tillämpas för att tillåta att ljus träffar fasader. Det geografiska läget reglerar ett projekts förutsättningar och måste beaktas vidfysisk planering. Ambitionen att tillgodose bostäder med goda dagsljusförhållande är något som bör genomsyra alla parter iblandade i projektet.

    Begränsningar: Den största begränsningen för studien var tid. Vid mer tid till förfogande skulle fler intervjuerkunna genomförasoch fler projekt skulle kunna studeras för att få en mer verklighetsbaserad bildav dagsläget. Fler orsaker till ouppfyllda dagsljuskrav hade också då kunnat identifieras. Ursprungligbyggherreför analysobjektethade kunnat gjort uttalande angående projektet och dess hantering av dagsljus. Endast ett certifieringssystem har studerats.

    Nyckelord:Nyckelord under studiens gång är dagsljus, avskärmningsvinkel,förtätning, hälsa, samhällsplanering,bygglovavdelningenoch planavdelningen

  • 31. Englund, Fanny
    et al.
    Lurell, Emma
    Dagsljusdesign för en god visuell miljö2010Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    During our education to become lighting designers at Jönköping University, the artificial lighting has been in focus. Therefore we wanted to learn more about daylight. We chose to do this from a visual approach in open plan offices. Since daylight is part of the architects´ responsibility to master, we wanted to examine what architects think of when they plan daylight environments in open plan offices and how this is expressed in the buildings with focus on the visual factors.

    Our questions at issue are:

    1. What knowledge do architects have concerning daylight planning, and how do they use this knowledge in their practice?
    2. How well do the chosen daylight environments meet the end-users need of a good visual environment?

    The study consists of three case studies, carried out in the same way. Each case study contains an analysis of the daylight environment in a modern building with open plan offices. A responsible architect was interviewed about the intensions for the building, and about his or her general thoughts about daylight. Three end-users were also interviewed about their experiences of their working environment and the daylight conditions in each building. In total three buildings were analysed, three architects and nine end-users were interviewed.

    The result shows that it is hard to tell what knowledge architects have about daylight, since it is a part of the overall design of the building. It is also very individual whether the architect displays an interest, and work with daylight issues in an active way. We can see differences in this matter between the interviewed architects.

    The analysed buildings also show varying results in the visual qualities. The results from our environment analyses are at most part confirmed by the end-users in each building. The problems we have found concerning the daylight environment are primarily the solar shadings and the layout of furnishing.

    Our conclusion is that architects could benefit from collaboration with lighting designers in daylight issues. This is because lighting designers have more knowledge about the visual conditions of the eye, and a more explicit focus on the end-user. To ensure a good collaboration the lighting designers also need to increase their knowledge about daylight in buildings, and about the building construction as a whole.

  • 32.
    Esplana, Paul
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Belysningslära.
    Möjligheter och problem kring användning av ljusfärg i offentliga exteriöra miljöer2012Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Examensarbetet undersöker problem och möjligheter med användning av färgat ljus i offentliga miljöer samt svenska belysningsplanerare och kommuners inställning till användning av färgat ljus. Undersökningen tar också upp vilka lagar, regler och riktlinjer som styr användningen av färgat ljus.

    Användning av färgat ljus är ett relativt nytt sätt att gestalta miljöer. Komplexiteten ligger i hur och varför färgat ljus skall användas då det inte finns mycket tillgänglig kunskap i området samtidigt som befintliga lagar, regler och riktlinjer är otydliga. Ljus är en viktig del i gestaltningen av staden och därför är det är viktigt med en övergripande strategi för ljussättning av staden. 

  • 33.
    Falk, Jesper
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Thulin, Jonathan
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Planlösningsprioriteringar av prefabricerade tvåplanshus2016Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Abstract

    Purpose: Important for house manufacturers is to keep track of specific customer preferences and priorities to have products that matches these. If a manufacturer does not have a product that fits the customer priorities, manufacturers will lose customers both before and during the process has started. The goal of the study is to report what house manufacturers should prioritize in the floor plan design of prefabricated two-storey houses.

    Method: The study has been conducted with a variety of methods. In order to study customer preferences and priorities a survey was made for potential house byers and interviews with house manufacturers sales agents. To get an overview about the changes that are most commonly performed, an analysis of documents on two of Götenehus house models was made.

    Findings: The results of the study show the kitchen's high priority among potential house buyers. Clearly shows that, above all, the social spaces in the form of kitchen living and dining room is generally very high priority among the general population In Stockholm. The study also shows that these rooms were desired with a relatively large surface area. It was also very unusual for these rooms to get reduced space.

    Unlike the social spaces, the private spaces hade ha wide range of demands. Above all, the bathroom and the master bedroom had highly prioritized. The other bedrooms were however generally one of house buy’ers lowest priority. In general, the service areas were shown to be the lowest prioritised rooms. The laundry room was desired to be large with great storage units, but were rarely executed as wanted.

    Implications: The social space, master bedroom and the bathroom has a great importance for customers in Stockholm County. House manufacturers should prioritize these rooms. In contrast, house manufacturers should not prioritize room as office and WC/D. Doing so, house manufacturers can offer customers a product that minimizes the impact on costs by changes.

    Limitations: The study deals only with prefabricated detached two-storey houses. The study does not include factors such as finance, property space or family constellations. The study was limited to the Stockholm County because of the concentrated market for two-storey house. The gathered information was not extracted prior ten years.

  • 34.
    Fischl, Géza
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Bremner, Craig
    Charles Sturt University, School of Communication and Creative Industries, Wagga Wagga, Australia.
    Mapping architectural engineering students' learning in group design exercises2018Inngår i: Proceedings of the 14th International CDIO Conference, Kanazawa Institute of Technology, Kanazawa, Japan, June 28 - July 2, 2018 / [ed] C. Bean, J. Bennedsen, K. Edström, R. Hugo, J. Roslöf, R. Songer & T. Yamamoto, Kanazawa: Kanazawa Institute of Technology , 2018, s. 849-859Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Architectural engineering encompasses urban planning and architectural design exercises that are part of professional development  In contrast to the engineering discipline, the regularity of well-defined familiar tasks does not predominate in a design studio. However, to be able to work along with a larger pool of professionals and increase the potential for creative problem solving it is imperative to provide an engineering education that challenges the conventions of its framework. Consequently, students encountering design problems without prior experience need to assume responsibility for their interpretation of the problems in which they are being challenged. The aim of this pilot study was to survey, describe and analyze the problem-solving approach among undergraduate students in relation to their control strategies and successive learning. The study was completed in Jönköping, Sweden. In an online survey (N=32) using convenience sampling, students' locus of control (LOC) as the measure for control strategies over their learning situation was assessed in three school years within the undergraduate program. Additionally, three focus group interviews were performed to shed light on how individual learning modes manifested on different LOC levels and in respective school years. Descriptive statistics showed a trend that students' LOC is moving from external to be more internal by the advancement in their studies. Accordingly, they would over time develop a preference for group design exercises that are more problem-oriented,  rather than  assignment-based,  thus  matching  a  more  internal  LOC. Although the trend was clear, statistically significant differences were not found between the measured variables (LOC, gender, age, school year: subject major), possibly due to the low sample  size. The  focus  group  interviews  supported  the  trend,  where  students'  initial frustration over unclear instructions and dependence on external control gradually shifts toward  a  more  reflective  attitude  and  a  greater  feeling  of  internal  control,  individual competence and professional development.

  • 35.
    Gaim, Medhanie
    et al.
    Department of Business Administration, Umeå School of Business, Economics and Statistics, Umeå University, Sweden.
    Wåhlin, Nils
    Department of Business Administration, Umeå School of Business, Economics and Statistics, Umeå University, Sweden.
    Jacobsson, Mattias
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap. Department of Business Administration, Umeå School of Business, Economics and Statistics, Umeå University, Sweden.
    The role of space for a paradoxical way of thinking and doing: A study of idea work in architectural firms2019Inngår i: Creativity and Innovation Management, ISSN 0963-1690, E-ISSN 1467-8691, Vol. 8, nr 2, s. 265-281Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    It is well established that engaging paradoxes and the role of space are important aspects of idea work. Although the significance has been recognized, studies that focus on the intersection between space and paradox are scarce. Accordingly, this article explores the intersection and focuses on the role of space in idea work characterized by paradoxes. More specifically, the aim of this article is twofold. First, the article aims at identifying the spatial conditions that enable organization members to think and act paradoxically. Second, the article aims at exploring how spatial conditions evoke a paradoxical way of thinking and doing. Based on three Scandinavian architectural firms, and through abductive inference, four spatial conditions are identified and outlined. The conditions are conceptualized as organized chaos, boundary(less)ness, premeditated spontaneity, and (re)framing. From the results, and through the discussion, the notion of "generative space" is introduced to explain the overall importance of spatiality, as well as how the interrelatedness of the conditions facilitates a paradoxical way of thinking and doing in idea work.

  • 36.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Den kluvna öppenheten: Kasper Salinpriset 20062006Inngår i: Göteborgs-Posten, ISSN 1103-9345, Vol. 11, nr 30Artikkel, omtale (Annet (populærvitenskap, debatt, mm))
  • 37.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Lugna långgator2003Inngår i: Arkitektur: byggnad, interiör, plan, landskap, ISSN 0004-2021, nr 6, s. 34-35Artikkel, omtale (Annet (populærvitenskap, debatt, mm))
  • 38.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Med ansiktet mot havet2003Inngår i: Göteborgs-Posten, ISSN 1103-9345, Vol. 03, nr 26Artikkel, omtale (Annet (populærvitenskap, debatt, mm))
  • 39.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    När köpladan kom till byn2006Inngår i: Göteborgs-Posten, ISSN 1103-9345, Vol. 04, nr 27Artikkel, omtale (Annet (populærvitenskap, debatt, mm))
  • 40.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    PS Jag kom förbi...Kajskjul 1072002Inngår i: Arkitektur, ISSN 0004-2021, nr 1, s. 60-61Artikkel, omtale (Annet (populærvitenskap, debatt, mm))
  • 41.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Tillbaka till framtiden2002Inngår i: Göteborgs-Posten, ISSN 1103-9345, nr 7/13Artikkel, omtale (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Med anledning av Elizabeth A. T. Smiths bok Case study houses: the complete CSH program 1945-1966, om lösningen av bostadsproblem i södra Kalifornien.

  • 42.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Tillvalsarkitektur för bryggseglare2002Inngår i: Göteborgs-Posten, Vol. 06, nr 20Artikkel, omtale (Annet (populærvitenskap, debatt, mm))
  • 43.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Tradition och förnyelse: om holländska radhus och planeringens möjligheter2007Inngår i: Bostadens rum: Chalmersarkitekter om bostadens kvalitet, Stockholm: Axl books , 2007Kapittel i bok, del av antologi (Annet (populærvitenskap, debatt, mm))
  • 44.
    Granath, Kaj
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Utbytbarhetens estetik2004Inngår i: Göteborgs-Posten, ISSN 1103-9345, Vol. 07, nr 02Artikkel, omtale (Annet (populærvitenskap, debatt, mm))
  • 45.
    Grönberg, Louise
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Axhed, Frida
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    En jämförelse av upplevd produktivitet samt arbetstillfredsställelse mellan aktivitetsaserade och traditionella kontor.2016Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Purpose: The aim with this study is to compare perceived productivity and job satisfaction between activity based offices and traditional offices. The goal is to investigate, through a quantitative comparison, productivity and job satisfaction between the office types, and if generations perceive this differently.

    Method: The method used in this study is a quantitative method, in form of a questionnaire. The questionnaire used was taken from a study made by Sahlström and Severin (2015) at the Royal Institute of Technology in Stockholm. The same questionnaire was taken because it had already been quality assured and had good content for the survey. Four IT companies were included in the study. Two of them had activity based offices and two of them had traditional office type. Literature review has also been a method in order to get a deeper understanding of the subject.

    Findings: The results of the study show that there are differences between the two office types in perceived productivity and job satisfaction. The traditional office type showed the best results. However, this result can be discussed since the two traditional offices differed widely in their responses. The results also show that there are differences between the generations experiencing productivity and job satisfaction of the various offices. The elder generation, Baby boomers, shows better results on the traditional office type and the younger generation, Generation Y, shows better results on the activity based offices.

    Implications: One conclusion to be drawn from this is that employees at traditional offices are more satisfied with their working place and experience increased productivity than employees on activity based offices. However, these results may be due to other factors than how the office environment affects the employees. Therefore, these results will not be recommended. Another conclusion is that the Baby boomers are experiencing higher productivity and job satisfaction of traditional office and Generation Y experiences higher productivity and job satisfaction on activity based office. These results can be recommended.

    Limitations: The limitations of this study are to examine only IT companies in Sweden with a maximal amount of employees of 150 persons. The results are, apart from the scattered results in the first issue, generally valid and can be applied to other IT companies. To succeed fully applicable results, a survey with more companies involved had been better. Then, detections of anomaly would easier have been discovered and possible disregards of certain results could have been done.

    Keywords: Perceived productivity - Self-rated assessment of employees on their own productivity.

    Traditional offices - In this work traditional offices includes cell offices and shared rooms.

    Activity based offices - Office where employees have no fixed work place and there are often zones to support different types of working.

  • 46.
    Gustafsson, Fredrik
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    EFFEKTIVARE MATERIALHANTERING I PRODUKTIONEN HOS SMÅBYGGFÖRETAG- MED HJÄLP AV LEAN CONSTRUCTION2016Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Purpose: The construction industry in Sweden has long had higher and increasingproduction costs compared with other industries. Construction costs for housing hasincreased in recent years, while productivity in the construction industry basically isthe same since the 1990s. 10 % of the construction costs relates to inefficient handlingof material. In order to improve production in recent decades there has been anincrease in adopting quality management among large companies, but this has notbeen established by small and medium sized enterprises (SME). The aim of this studywas to investigate how quality management tools such as 5S could be integrated intosmall construction companies in order to improve the companies’ material handling.

    Method: A case study has been conducted on a small construction company. Methodsused in the study was literature studies used to learn the frontiers of knowledge, semistructuredinterviews with owners, management and carpenters in the companycomplemented with unstructured observations at two different construction sites.

    Findings: The study investigated how 5S could be tailored to fit a small constructioncompany and also how this tool can make the handling of materials more efficient. At first wastes was identified in regard to material handling, which had the form ofunnecessary elements which create unnecessary costs. Wastes found in the study was composed of unnecessary transports or movements and excessive storage of materials.The study has also shown that a standardized routine for how the material should behandled was missing. A theoretical proposal for how these wastes could be reducedwas then produced. The proposal consists of a checklist based on 5S and the study'sempirical data. This checklist is intended to standardize the operation of deliveryreception and material moving. Implementation of the checklist can be done at bothlarge and small construction projects. Finally, the study investigates the requirementsof a small construction company to introduce a change in the organization. The studyfound that the requirements consists of a willingness in the organization to change andresources in terms of time, finances and personnel able to work with the change.

    Implications: By using the checklist in the planning of a construction site ensures thatthe materials are placed in the correct location and in the correct order, which is thepurpose of 5S. This reduces the movements that has to be made of the material. Usingthe checklist on the construction site for delivery reception contributes to materialbeing placed correctly and properly stored. This leads to reducing the rejection ofmaterial. Applying this routine entails that unnecessary costs are reduced, whichcontributes to reducing the total construction cost of the project.

    Limitations: Case study examines a small construction company and is notgeneralizable to large construction companies. Also other small constructioncompanies can have different conditions. The case study is based on interviews andobservations. Focus has been on 5S and no other tool has been used in the study.Consideration is not taken to the ergonomics regarding handling of material. Finally,the proposal produced in this study is theoretically and have not been appliedpractically due to the size of the study.

    Keywords: Lean Construction, 5S, SME, construction companies,

  • 47.
    Hed, Max
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Lans, Sofie
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Arkitektens roll i byggprocessen: En jämförande studie om skillnader mellan Sverige och Danmark2019Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Syfte: Den här rapporten ämnar jämföra arkitektens roll i länderna Sverige och Danmark. Då länderna är geografiska grannar är det intressant att jämföra hur den innovativa arkitekturen kan skilja sig så mycket åt. Det kan bero på flertalet olika faktorer, men med samlad påverkan blir rollerna i praktiken påverkade under byggprocessen. Målet med rapporten är således att beskriva och se vad som skiljer arkitektens roll i byggprocessen i Sverige från den i Danmark utifrån tre valda kategorier:

     Byggprocessen och entreprenadformer

     Ekonomi och tid

     Syn på arkitektens roll

    Metod: Metoderna som kommer användas är litteraturstudier och kvalitativa intervjuer. Intervjuerna ämnar ge arkitekternas syn på hur deras roll speglar sig. Litteraturstudierna ämnar framföra en tydlig problembild, tillhandahålla en erforderlig faktabakgrund och för att utforma ett relevant teoretiskt ramverk.

    Resultat: Arkitektoniska kvaliteter försummas då arkitekten i Sverige saknar ekonomiska argument och sällan får vara lika delaktig som andra aktörer under processen. I Danmark får arkitekterna oftare en mer förankrad roll i projekten vilket bidrar till att de kan argumentera för de arkitektoniska kvaliteterna även under produktionen.

    Konsekvenser: Genom vidareutbildning i byggekonomi och projektledning kan arkitekten få en mer inflytelserik roll i byggprocessen. Beställare bör anlita arkitekten i projektens tidiga skeden och för att behålla den ursprungliga intentionen måste beställare och entreprenör förstå vikten av arkitektoniska kvaliteter.

    Begränsningar: Studien begränsades till att undersöka och jämföra debakomliggande orsakerna till rollskillnaderna med hänseende på byggprocessens och entreprenadformernas uppbyggnad, ekonomi och tid samt de olika aktörernas syn på arkitektensroll för arkitekten som konsult och inte för arkitektersom agerar byggherrar.

  • 48.
    Hegg, Elin
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Nilsson, Lisette
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik.
    Förslag till ett ekologiskt bostadsområde2011Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [sv]

    Ekologiskt byggande har utvecklats och förstärkts under de senaste decennierna. Från det att ekobyar började planeras på 70-talet, till dagens lågenergibyggnader. Kunskapen om värmesystem, avloppsrening, byggmaterial och teknik har utvecklats. Hur skulle ett ekologiskt bostadsområde utformas med hjälp av den kunskap och teknik som finns idag?

    Examensarbetet skrivs för JM AB i Jönköping. Ett område på Ekhagen, öster om Jönköping centrum, har valts som utgångspunkt. JM AB har i planer på att exploatera bostäder i på den valda fastigheten.  En inventering av fastigheten har gjorts, den ligger till grund för utredningar som gjorts för att skapa det ekologiska bostadsområdet.

    I rapporten utreds och presenteras förslag på hur ett ekologiskt bostadsområde kan planeras med dagens kunskaper kombinerat med ekobyns grundtanke. Rening av avloppsvattnet är en viktig del av rapporten, därför utreds detta grundligt. Det förorenade vattnets miljöpåverkan förklaras och olika system för rening av avloppsvatten beskrivs i rapporten. 

    Analyser av två ekobyar och två nybyggda bostadsområden görs för att förstå ekobyns uppbyggnad och för att klargöra skillnaden mellan de analyserade områdestyperna. Områdenas tekniska system förklaras, så som ventilation, uppvärmning samt vatten och avlopp. Även dess olika trafiklösningar och hustyper beskrivs.  En specifik fråga för området är dess bullernivå. Det uppstår en hög bullernivå över hela fastigheten, den överstiger Boverkets riktlinjer. Detta är ett problem som måste åtgärdas, i rapporten ges förslag på en möjlig åtgärd.

    Det slutgiltiga förslaget till det ekologiska bostadsområdet har arbetats fram ur två områdesförslag. Grundtanken vid utförandet av det slutliga förslaget har varit att placera vägar och hus efter terrängen så markutjämningar och kraftigt kuperade tomter undviks. Området ska ha bra gång- och cykelförbindelse genom hela området samt innehålla goda möjligheter för grönområde intill bostad. 

    Resultatet av alla utredningar blev dels ett separat reningssystem för kloakvatten och BDT- vatten, ett enkelt och effektivt system som tar hand om avfall genom separering av matavfall och brännbartavfall. Lokal dagvattenhantering ska finnas i området, vattnet samlas upp i avlednings kanaler och diken som leder vattnet till en våtmarksanläggning. Det slutgiltiga områdesförslaget presenteras i en färgsatt ritning. 

  • 49.
    Hjalmarsson, Hanna
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Johansson, Lisa
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Byggnadsteknik och belysningsvetenskap.
    Integrering av WELL Building Standard inom BIM: En fallstudie om hur WELL Building Standard kan inarbetas i ett BIM-objekt2019Independent thesis Basic level (university diploma), 10 poäng / 15 hpOppgave
    Abstract [en]

    Purpose: There is a great interest in certifying office buildings at the private property companies in the industry and offices that lack environmental certification in thenational market are almost impossible to sell. Certification of buildings is a complex work and requires a lot from the developer. The use of building information modeling (BIM) together with a certification can simplify and streamline the process.Therefore, the aim of the study is to investigate the possibility of incorporating theseven concepts for WELL Building Standard (WELL) into a BIM-object which isevaluated practically in a case study.

    Method: The thesis employs a case study focused on a qualitative approach ofanalyzing a BIM-model of an office building, Visionen 1. The questions are linked toeach other and the data consists of document analysis, interviews and literaturereview.

    Findings: The results show that the more traditional way of working is used in thedesign of WELL project. However, WELL actually requires a working method where collaboration between disciplines is required to better achieve the concepts. When incorporating WELL into the BIM-object, much focus was placed on incorporating information through objects, calculations and analyzes. WELL should be incorporatedat all stages of the construction process to ensure that all purposes are met andconstantly develops the building and its use. The results indicate that WELL can beincorporated into a BIM-object where information can be read which can lead to amore sustainable and efficient design in combination with WELL. The BIM use is aresource issue for the client, which affects how much the BIM-object can be used inall stages.

    Implications: By investing in a well-developed BIM-object, like a common databasewhere all information can be developed and stored, a more sustainable buildingcertified according to WELL can be achieved at all stages.

    Limitations: The delimitation involves only studying the design process when certifying according to version v1 for WELL. The case study is limited to the software Autodesk Revit and does not include with the concept Innovation while Air and Waterare not studied practically but will be analyzed.

  • 50.
    Holmström, Andreas
    et al.
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Belysningslära.
    Fyhr, Sandra
    Högskolan i Jönköping, Tekniska Högskolan, JTH, Belysningslära.
    Rumsutformningens inverkan på dagsljuset i kontorslokaler2016Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Public buildings are considered to be the most power consuming buildings in the world. To reduce power consumption earlier studies propose greater use of natural daylight to illuminate surroundings, hallways and areas where to preform common work tasks and where artificial lighting is only used for the actual work space and places where higher light levels are required. In office buildings with available daylight, it has been shown that people have a greater general well-being, improved health, reduced absenteeism and increased productivity.

    The purpose of this study is to investigate how different room configurations can increase the amount of daylight in offices. The essay is based on an experimental study in the form of a questionnaire in which participants have evaluated and documented their perceptions of the visual properties regarding daylight. The evaluation has been carried out with scale models of different room configurations, but with the same window size and window positions.

    The results show that a room configuration with embrasures provides the most effective daylight harvesting. Embrasures contribute with maximum visibility, brightness and provide maximum light scattering. Room configurations with rounded corners have proven to give the most even light ratio between the light and dark areas of a room where the light is also spread most evenly along the walls. According to an evaluation of the visual properties of daylight, a room with rounded corners is perceived to be the most comfortable room and provide the softest and gentlest light impression.

    The study is limited to evaluate the amount of daylight and the visual properties of daylight in large office spaces designed based on energy-efficient passive houses with thick facade walls.

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