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  • 1.
    Aarts, Mariëlle P. J.
    et al.
    Department of the Built Environment, Eindhoven University of Technology, Eindhoven, Netherlands.
    Aries, Myriam
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science. 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 technology2015In: Indoor + Built Environment, ISSN 1420-326X, E-ISSN 1423-0070, Vol. 24, no 5, 617-630 p.Article in journal (Refereed)
    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.
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science. Jönköping University, School of Engineering, JTH. Research area Built Environment. 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 methods2017In: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 117, 60-72 p.Article in journal (Refereed)
    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.
    Andersson, Daniel
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    PARAMETRISK DESIGN I TIDIGA SKEDEN AV ARKITEKTONISKA PROJEKT2009Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
  • 4.
    Backström, Martin
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Wikström, Ludvig
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Effektivisering av ekologisk dagvattenhantering i stadsmiljö2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In the city of Jönköping problems with the irregular flow, erosions and transport of sediment materials are recurring in the brook Strömsbergsbäcken. The problems is somewhat caused by an increased flow of storm water in the brook, which leads to high flow peaks in some parts of the brook since the original furrow is not dimensioned for the increased amount of water. The purpose of this project work is to make ecological drainage management in urban environments with a high amount of storm water discharge more efficient. The objective with the report is to create valuable material of how to accomplish ecological drainage management in urban areas and that the report will be useful for future similar connections. To fulfill the objective, the following three questions have been designed as a significant part of the final project report:

    • How can the load on the general drainage system be reduced?
    • How can the pollution effects of storm water runoff in urban areas be reduced?
    • Which treatments are appropriate to enhance the ecological storm water management in Strömsbergsbäcken ?

    The methods that have been used to solve these questions are document- and literature studies, and also a case study.The thesis results shows that the storm water flows from four of the nine areas that has its outlets in Strömsbergsbäcken, need to be treated through some kind of a solution or method that delays the water flow. The treatment could be performed in the area, before the storm water reaches the storm water network, which leads to Strömsbergsbäcken. The storm water flows can also be reduced by treatments adjacent to the outlets in the brook, where the largest flow peaks occurs. For example an essential solution to decrease the flows in Strömsbergsbäcken is to reconstruct the old dam located near one of the outlets into a basin, which will delay the stormwater flows.

  • 5.
    Blom, Martina
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Landstedt, Sara
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Granskning av 3D-printingens möjligheter vid utformning av byggnader2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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.

  • 6. 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 knowledge2012In: Proceedings of the First International Congress Domes in the World, Florence, March 19 - 23, 2012., Florence: TecnoConference , 2012Conference paper (Other academic)
    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.

  • 7.
    Brandt, Julia
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Svensson, Linnéa
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Approaching urban sustainability: - a minor field study in India2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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.

  • 8.
    Cancino, Milton
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Milhajlovic, Darko
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Jönköpings Hamn2006Independent thesis Basic level (degree of Bachelor), 10 points / 15 hpStudent thesis
    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.

  • 9.
    Collin, Victor
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Viktor, Eriksson
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    SABOs kombohus som senioranpassat boende2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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.

  • 10.
    Dahlberg, Ida
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Lindblad, Jessica
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    ANALYS AV STATIONSHUS UPPFÖRDA 1860–1900 MED BEVARANDE- OCH ENERGIKRAV I KLIMATSKALET2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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. 

  • 11.
    Danielsson, Cristina
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    BOSTADENS NÄRMILJÖ I ETT HÅLLBARHETSPERSPEKTIV2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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.

  • 12.
    Davidsson, Anneli
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Munteanu, Michaela
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Scandinavium: Sveriges största inomhusarena2009Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
  • 13.
    Davoodi, Anahita
    et al.
    Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Johansson, Peter
    Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Enger, Johanna
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Comparison of lighting simulation tools with focus on lighting quality2014Conference paper (Refereed)
    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.

  • 14.
    Davoodi, Anahita
    et al.
    Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Johansson, Peter
    Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Enger, Johanna
    Jönköping University, School of Engineering, JTH, Lighting design.
    نرم افزارهای شبیه سازی نور، چالشها و فرصتهای پیش رو2014Conference paper (Refereed)
  • 15.
    Davoodi, Anahita
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Johansson, Peter
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Henricson, Maria
    Jönköping University, School of Health and Welfare, HHJ, Dep. of Nursing Science. Jönköping University, School of Health and Welfare, HHJ. ADULT.
    Aries, Myriam
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    A Conceptual Framework for Integration of Evidence-Based Design with Lighting Simulation Tools2017In: Buildings, ISSN 2075-5309, E-ISSN 2075-5309, Vol. 7, no 4, 82Article in journal (Refereed)
    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

  • 16.
    Ekelund, Daniel
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Socialt hållbar stadsplanering: Kommunal stadsplanering i samspel med digitala verktyg för rörelse och kommunikation2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Sustainable urban planning is an approach that cares about the future as well as

    the forthcoming generations. This subject involves technical as well as physical

    aspects of society. This report focuses on sustainable urban design in terms of

    availability, movement and integration in relation to urban planning. It also

    considers the fact that there are digital tools that are not fully utilized during the

    process of urban planning.

    An analysis regarding the practice of urban planning has been implemented. The

    concepts of availability, movement, and integration are discussed and analysed in

    relation to the municipality work process. The purpose is to formulate and test a

    theory that could be indicative to the work towards sustainable urban planning.

    The purpose is to determine whether there are reasons for the introduction of

    digital tools as a strategy within the municipal urban planning.

    The issues concern terms of availability, movement and integration and how these

    are applied in daily municipal urban planning. Answers have been found through

    literature reviews and an interview. Finally, a case study of an area facing

    redevelopment in Borås, called Simonsland, has been made.

    Simonsland is a centrally located area in Borås, where a case study has been carried

    out. The area is being rebuilt and transformed from an isolated industrial area into

    a flourishing college campus and cultural centre. With help from the digital tool

    Space Syntax, the site has been assessed in it´s previous and new design.

    Space Syntax is a spatial analytical tool that calculates how roads and streets, in

    form of axial lines, interact and integrate with each other. This analysis culminates

    in color-coded illustrations that demonstrate strong and critical points within the

    city's pattern of movement.

    Development of sustainable urban planning is a constant process within the

    municipally work. There are no precise practice that applies to the promotion of

    quality concepts such as movement, communication and integration. The work

    process is seen as a negotiation where the objective is to satisfy as many parties as

    possible.

    The purpose of this study is to present concrete and clear arguments that

    demonstrate why and how Space Syntax could play a greater role in municipal

    urban planning. Emphasis has been placed on how various stakeholders can come

    to benefit from the tool and how these measures can be implemented with simple

    means.

    The result shows that there is a basis for introduction of the spatial analytical tool

    Space Syntax within municipal planning. The tool contributes with good

    knowledge about the outcome of construction and its influence on the city's

    pattern of movement.

  • 17.
    Elander, Sofia
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Bolmstad, Elin
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Byggnadsmodellers anpassning inför 3D-utskift & dess användning2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose: To investigate how digital 3D models should be adapted to enable 3D printing for use in the construction process in its various stages.

    Method: A case study is conducted with an existing digital 3D-model where interviews and action research is used as a data collection method. The empirical data are compared and analyzed with the theoretical framework developed through literature studies.

    Findings: A physical 3D model can be used at several stages in the construction process, mainly in idea development stages, the production stage and throughout the process as a communication tool and for advertising/sales/presentation for increased understanding. Prior to printing, all parts of the building should be solid, details should be erased depending on the scale used and components should consist of the same material.

    Implications: Based on interviews with people with varying knowledge and experience within the subject, it is important to take into consideration the fact that the proposals on the fields of use may not be enforceable in reality since they are requests. Despite this, the use of physical 3D models can be recommended in several construction phases of the process for greater understanding and better communication, which is corroborated by the theoretical framework. Adaptions of a digital model require a digital 3D model as a prerequisite and a certain experience of 3D design.

    Limitations: Since this study is a case study conducted in a specific case, knowledge and recommendations cannot be generalized statistically to other types of buildings. However, with small adjustments, this study can be implemented in similar projects. Due to the fact that the study is qualitative with a limited number of interviewees, there is a possibility of a different result if the execution occurred with other conditions.

    Keywords: BIM model, physical building model, 3D model, 3D printer, 3D printing 

  • 18. Englund, Fanny
    et al.
    Lurell, Emma
    Dagsljusdesign för en god visuell miljö2010Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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.

  • 19.
    Esplana, Paul
    Jönköping University, School of Engineering, JTH, Lighting design.
    Möjligheter och problem kring användning av ljusfärg i offentliga exteriöra miljöer2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This study investigate the problems and opportunities as well as Swedish lighting designers and local authorities attitude to colored light in the exterior urban environment. The study also looks at the laws, rules and guidelines governing the use of colored light. 

    The use of colored light is a relatively new way to design environments. The complexity lies in how and why the colored light is used. There is also a lack of available knowledge about the subject and existing laws, rules and guidelines are unclear. Light is an important part in the design of the city. It is important to have an overall strategy and clear rules and guidelines on how colored light should be used in the public space.

  • 20.
    Falk, Jesper
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Thulin, Jonathan
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Planlösningsprioriteringar av prefabricerade tvåplanshus2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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.

  • 21.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Den kluvna öppenheten: Kasper Salinpriset 20062006In: Göteborgs-Posten, ISSN 1103-9345, Vol. 11, no 30Article, book review (Other (popular science, discussion, etc.))
  • 22.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Lugna långgator2003In: Arkitektur: byggnad, interiör, plan, landskap, ISSN 0004-2021, no 6, 34-35 p.Article, book review (Other (popular science, discussion, etc.))
  • 23.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Med ansiktet mot havet2003In: Göteborgs-Posten, ISSN 1103-9345, Vol. 03, no 26Article, book review (Other (popular science, discussion, etc.))
  • 24.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    När köpladan kom till byn2006In: Göteborgs-Posten, ISSN 1103-9345, Vol. 04, no 27Article, book review (Other (popular science, discussion, etc.))
  • 25.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    PS Jag kom förbi...Kajskjul 1072002In: Arkitektur, ISSN 0004-2021, no 1, 60-61 p.Article, book review (Other (popular science, discussion, etc.))
  • 26.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Tillbaka till framtiden2002In: Göteborgs-Posten, ISSN 1103-9345, no 7/13Article, book review (Other (popular science, discussion, etc.))
    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.

  • 27.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Tillvalsarkitektur för bryggseglare2002In: Göteborgs-Posten, Vol. 06, no 20Article, book review (Other (popular scientific, debate etc.))
  • 28.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Tradition och förnyelse: om holländska radhus och planeringens möjligheter2007In: Bostadens rum: Chalmersarkitekter om bostadens kvalitet, Stockholm: Axl books , 2007Chapter in book (Other (popular science, discussion, etc.))
  • 29.
    Granath, Kaj
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Utbytbarhetens estetik2004In: Göteborgs-Posten, ISSN 1103-9345, Vol. 07, no 02Article, book review (Other (popular science, discussion, etc.))
  • 30.
    Grönberg, Louise
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Axhed, Frida
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    En jämförelse av upplevd produktivitet samt arbetstillfredsställelse mellan aktivitetsaserade och traditionella kontor.2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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.

  • 31.
    Gustafsson, Fredrik
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    EFFEKTIVARE MATERIALHANTERING I PRODUKTIONEN HOS SMÅBYGGFÖRETAG- MED HJÄLP AV LEAN CONSTRUCTION2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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,

  • 32.
    Hegg, Elin
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Nilsson, Lisette
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Förslag till ett ekologiskt bostadsområde2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The last decades have the knowledge and techniques of sustainable building increased. The Report begins with the planning of the Swedish Eco-villages in the 70´s and how it has developed to today's low-energy building. Knowledge of heating systems, sewage treatment and building materials has been developed, how would an ecological residential area look today?The thesis is written for JM AB, Jönköping. An area at Ekhagen, east of Jönköping city center is chosen. An inventory of the land where made, which served as the base for the choices made in the planning of the ecological neighbourhood.The report investigates and illustrates how an ecological residential area may be planned, with today's knowledge combined with the Swedish Ecovillage-philosophy. Sewage treatment is an important part of the investigation and is explained thoroughly in the report. It is described how the contaminated water affects the environment and different systems for treatment of sewage are described.

    Analyses were made of two Eco-villages and two newly built residential areas and the result were compared given the differences in structure and choice of technology. Different sustainable techniques used for sewage and energy consumption were compared in the residential areas and infrastructure for good local environment was investigated.One issue specific for this area is noise problems. The noise levels at the site are exceeding the Swedish National Board of Housing, Building and Planning’s guidelines on noise levels. This is a problem that must be addressed properly and the report gives a suggestion of how this can happen.

    The final draft of the ecological residential area was developed out of two proposals. The main issues when planning the final draft were to place out the houses and roads after the terrain in order to limit the interference with nature, have consistent pedestrian and cycle routes through the whole area and that all buildings should be close to an green area.

    A separate treatment system for sewage and gray water, a simple system for waste treatment that separate swill, recyclable and household waste and a local treatment of the storm water through a wetland plantation, were some of the results of the investigations. The final proposal of the ecological residential area shows how roads and buildings can be adapted into the terrain and the noise level at residential patios can be reduced.

  • 33.
    Holmström, Andreas
    et al.
    Jönköping University, School of Engineering, JTH, Lighting design.
    Fyhr, Sandra
    Jönköping University, School of Engineering, JTH, Lighting design.
    Rumsutformningens inverkan på dagsljuset i kontorslokaler2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    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.

  • 34.
    Hulterström, Joakim
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Analys kring ombyggnation av betongsilor till bostäder2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Silos are standing empty at many locations around us but what to do with these massive grain cylinders, who no longer serve the purpose they once were intended for, there are different opinions about. There are numerous examples found, including in our neighbouring countries, of silos that have been converted into housing. This report examines seven such projects with the objective to highlight problems and solutions that may occur when concrete silos are being converted into housing. The three issues addressed are: How potential moisture and odor problems are taken care of in view of previous use. How the existing structure is affected by new openings in the facade and the introduction of joists and how these problems are solved. How good apartment plans are made from the given shape and the set requirements for housing in Sweden.

    The results, calculations and analysis presented in this report are mainly based on interviews conducted with responsible people from the seven selected projects, as well as for this additional literature. The interviews have been rich sources of valuable and interesting information, some of which are presented in this report. Study visits were made to five of the seven projects, which were extremely enlightening.

    Considering the silos previous use and depending on if they have been open or not, they can be victims of moister problems or bad smell. For all of the investigated silos these issues have been solved, or are about to be solved. The conclusion made, based on these objects, is that open silos usually mean moisture problems while closed silos usually result in bad odors.

    Concerning the structure there is normally no need for making any reinforcements as a result of new openings made in the concrete walls, as long as the location of the apartments is limited to the inside of the silo tubes, as the joists then interconnect the walls and strengthens the structure. The openings should not be larger though than what is normally required for doors and windows. For silos with apartments partially or entirely located outside of the silo tubes the studies of these projects have shown that reinforcements may be necessary.

    Concerning the apartment plans four plan principles along with what they may imply are introduced. The main factor influencing what principle to design according to is the diameter of the cylinders, but the choice of principle may also be a result of demands from authorities or a matter of aesthetic taste. All of the investigated projects do not meet the Swedish requirements of availability and for those who do not the main reason for this is the bathrooms, where it generally isn’t possible for a wheelchair to turn around or enough room to place it beside the toilet. All of these projects could most likely have fulfilled every requirement if they only had been taken into account during the design stage. With kitchens built in round rooms a corollary if you do not plan carefully can be that cabinet doors and drawers crash into or lock each other. To avoid this issue a number of solutions have been developed which are presented in the report.

  • 35.
    Jacobson, Alma
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    A Cohesive Downtown from a Knowledge City Perspective - A Study in Urban Planning2012Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The escalating urbanization process has given rise to various complications in the urban structure. One of the major issues is the one concerning urban cohesion. As modern cities are facing a transformation from industrial to knowledge societies, many aspects have to be taken into consideration in the planning of cities.

    This thesis aims to study the significance of a cohesive city centre from a social and spatial point of view, and to understand modern cities’ development towards innovative Knowledge Cities. The objective is to present proposals for how a unification of a fragmented downtown can be made possible seen from a Knowledge City perspective. The two main research questions of this thesis are answered by literary reviews of existing theories in urban planning, by a case study of the downtown area in the Swedish city of Jönköping, and finally also by a design proposal showing on how urban cohesiveness can be obtained from a Knowledge City perspective.

    If cities are to become successful knowledge cities they have to promote culture, attractiveness and above all an innovative urban environment. Innovation is mainly achieved by so called “innovation engines” – simple urban elements, such as a café or a library. For innovation to emerge, human interaction and meetings have to occur in the urban environment, why innovation engines are key factors in the development towards knowledge cities. As human interaction is maximized in the simple meetings between people, added interaction possibilities are enabled in public spaces such as a square or a pedestrian street.

    Public spaces are used as a tool for assembling people in the city. They have positive impact on the city only when they are part of a whole, and works as a network system in the urban structure. This is why urban cohesiveness is essential in the planning of modern cities. Public space is a fundamental feature in the urban structure, endorsing coherence, urban quality and human affiliation, making it an essential element if a city is to be coherent. Cohesion in public spaces can be regulated by the design and planning of cities and either stimulate or dampen the public areas. Gathering people creates opportunities for people to interact on an individual level and thereby stimulate each other, and it is people that need to be gathered rather than buildings.

    Urban activities and the complementarity between public spaces needs to promote social dynamics, which in turn enhances the urban experience, enables urban cohesion and minimizes social exclusion and urban fragmentation.

  • 36.
    Jensen, Fredrik
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    The Social Life of the Student - A design Project2009Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report describes from start to finish how a new design and extension of the Gengras student union center at the University of Hartford was done. The report will be using a project that was made by me and explains how the whole project was planned by contacting S/L/A/M Collaborative Inc. all the way until the final outcome was presented for a final jury. It explains the whole chain process one should use when designing a building such as different analysis, precedent studies, concept development and how to approach the design project. New technologies, the feature of access and flexibility are the main influence words in the design that is being used as an example. These words can be found and felt throughout the whole building both in the façade drawings and in the plan solutions. The result was a building that is more organic and flexible in its forms and spaces than current architecture is today. A sort of architecture that comes more and more in which will shape the society in the future. My building also keeps a sense of the old façade to create a transition between the new and the old. The old and the new cooperation prove that the innovative design does not destroy the old building; it only enhances it and prepares it for the future.

  • 37.
    Kelloniemi, Per
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Birch, Jesper
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Quennerstedt, Josef
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Rörelsemönstrets betydelse: Att öka attraktiviteten i en galleria med Space syntax2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The functional connection between the building and the streetscape affects the city and its attractiveness. Stores located in shopping malls with their entrances facing internal walkways, creates segregation between the mall and the streetscape. This segregation implies that the shopping mall loses some of its attractiveness, which may result in a so-called Greyfield mall. The expression Greyfield mall is used for shopping malls that have lost its visitors. Competition from new modern malls and a lack of investments are examples of factors that influence the development of Greyfiled malls. To clarify the relationship between the building and the streetscape, Space syntax has been used. Space syntax can be explained as the order between the different spaces. A Space syntax analysis provides an intergration value that indicates how the streets are linked.

    The pupose of this paper is to investigate and develop methods that will increase the attractiveness of shopping centers and malls in danger of developing into, or already classified as Greyfield malls. Improvements to these sites contributes to a better urban environment.

    The question formulation has been focused on the streetscape- and building design, and the movement patterns of the visitors. The questions have been answered through literature studies within the areas of; Space syntax, Shared space and Greyfield malls. In addition, a new proposal for the design of the building and the surrounding streetscape has been done. Analyses using Depth map has been used in a case study of Rosengallerian.

    Rosengallerian is located in the center of the city Husqvarna and has potential to act as a gathering place for city residents. By using Shared space, Woonerf-streets and axial analyzes with Space syntax a new proposal for mall and its surroundings has been developed. The new proposal is based on the prioritation of the pedestrians instead of the motor traffic. The streets surrounding the shopping mall has been converted into walking-speed areas, where the streets have been given a more narrow character. These changes creates a more attractive environment for the pedestrians around the mall.

    The results of the studies shows that the problem mainly lies in the design of the building and the priorities of the surrounding street network. The planning and prioritations of a street network are important to city residents, when the traffic moves according to the terms of the pedestrians a center where people can move freely is created. The ability to move around freely along with the city's walkways being extended into the building means that people wants to come back to the shopping mall. The proposal increase the attractiveness of the shopping mall since people attracts other people.

    The conclusion is that the mall is to be seen as an individual building being fitted into the existing surrounding environment. The shopping mall should be a natural part of the city's movement pattern, but also allowed to stand out architecturally.

  • 38.
    Khademagha, P.
    et al.
    Eindhoven University of Technology, Department of the Built Environment, Building Lighting Group, Eindhoven, The Netherlands.
    Aries, Myriam
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science. Eindhoven University of Technology, Department of the Built Environment, Building Lighting Group, Eindhoven, The Netherlands.
    Rosemann, A.L.P.
    Eindhoven University of Technology, Department of the Built Environment, Building Lighting Group, Eindhoven, The Netherlands.
    van Loenen, E. J.
    Eindhoven University of Technology, Department of the Built Environment, Building Lighting Group, Eindhoven, The Netherlands.
    Implementing non-image-forming effects of light in the built environment: A review on what we need2016In: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 108, 263-272 p.Article in journal (Refereed)
    Abstract [en]

    This paper presents a theoretical framework for incorporating the non-image-forming effects of light into daylighting design in the built environment. The framework includes human performance indicators to measure the magnitude of the non-image-forming effects of light as well as light factors to quantify these effects. In addition, architectural (daylighting) design parameters are included to control the magnitude of the light factors reaching indoor environment. To assess the magnitude of the non-image-forming effects of light in daylighting design process, threshold values for every light factor are discussed. A distinction is made between luminous and temporal characteristics of every light factor and the application of their thresholds in daylighting design process. The proposed framework enables stakeholders in the field of daylighting to incorporate the non-image-forming light requirements in design and to evaluate the potential of indoor spaces with regard to these requirements.

  • 39.
    Khademagha, Parisa
    et al.
    Eindhoven University of Technology, Department of the Built Environment, Building Lighting Group, Eindhoven, the Netherlands.
    Aries, Myriam
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science. Jönköping University, School of Engineering, JTH. Research area Built Environment. Eindhoven University of Technology, Department of the Built Environment, Building Lighting Group, Eindhoven, the Netherlands.
    Rosemann, Alexander
    Eindhoven University of Technology, Department of the Built Environment, Building Lighting Group, Eindhoven, the Netherlands.
    Van Loenen, Evert
    Eindhoven University of Technology, Department of the Built Environment, Building Lighting Group, Eindhoven, the Netherlands.
    Why Directionality Is an Important Light Factor for Human Health to Consider in Lighting Design?2016In: International Journal of Sustainable Lighting, ISSN 1454-5837, Vol. 35, no 1, 3-8 p.Article in journal (Refereed)
    Abstract [en]

    Both image-forming and non-image-forming effects of radiation require proper attention in lighting design that aims at meeting human vision and health requirements. Intrinsically Photosensitive Retinal Ganglion Cells (ipRGCs) appear to play an essential role in stimulation of the non-image forming effects and thus human health and well-being. There are indications that radiation incident contributes to the magnitude of these effects. This review summarizes current studies on humans and animals related to radiation directionality as well as the spatial distribution of ipRGCs on the retina. New insights can facilitate and optimize the incorporation of radiation directionality in building lighting design.

  • 40.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH, Lighting design. Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Criteria influencing the choice of luminaires in office lighting2010In: Proceedings of the 2nd CIE Expert Symposium on Appearance, 2010Conference paper (Refereed)
  • 41.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Criteria influencing the choice of luminaires in office lighting2012In: Journal of Design Research, ISSN 1748-3050, E-ISSN 1569-1551, Vol. 10, no 4, 269-292 p.Article in journal (Refereed)
    Abstract [en]

    This study is the first to evaluate the different criteria presently used in Sweden for lighting design, and their importance when planning the visual environment. It considers the role of the Swedish lighting designer and the different evaluations of criteria in the office lighting design process. The study aims to investigate whether a designer with an academic education or longer experience would infer more value in perceptual criteria and incorporate research into designs to a larger extent than a designer with less education. The findings suggest that current research needs to be more readily available to practitioners to enhance differentiation of criteria and proposed lighting designs. Education and experience could not be proven to make a difference, but different gender brought with it a divergence in the evaluations.

  • 42.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH, Lighting design. Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Criteria influencing the choice of luminaires in the building process2008In: Proceedings of the 27th IAPS, Rome 2008, 2008Conference paper (Refereed)
  • 43.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH, Lighting design. Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Internationell konferens: 2nd CIE Expert Symposium on Appearance: "When Appearance meets Lighting", 8-10 september, Gent, Belgien2010In: Ljuskultur, ISSN 0024-5429, no 5, 36- p.Article in journal (Other (popular science, discussion, etc.))
  • 44.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH, Lighting design. Jönköping University, School of Engineering, JTH. Research area Built Environment. Chalmers tekniska högskola, Institutionen för arkitektur.
    Lighting Design in Computerised Offices2012Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    This thesis is concerned with the design of the artificially lighted environment in computerised offices. Its aim is to describe which kind of lighting solution is best suited to accommodate VDT-based tasks, and whether or not working in front of a VDT affects visual comfort and well-being. The research question has been approached in four studies: 1) A questionnaire study aimed to establish how different criteria are used in the office lighting design process. 2) An experimental study comparing the influence of different office light settings on perceptions. 3) A comparison of an LED light setting with a conventional light setting. 4) The final study retrieved articles describing research related to office lighting, and resulted in a state-of-the-art article in office lighting research. The findings show that there is a need for lighting education within the group of lighting practitioners, as well as for research that is accessible and applicable to lighting designs. The experimental studies could not verify that office lighting affects performance, even though it was shown that a varied light setting was perceived to enhance well-being more than a monotonous lighting solution. One important contribution in this thesis is the unfolding of the inadequacy of the methodology used in current lighting research. It is shown that quantitative measures alone cannot explain the complex interactions between human perceptions, well-being, visual comfort and performance.

  • 45.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH, Lighting design. Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Ljuset skapar rum och upplevelse2005In: Inspirationsguiden: rum för lärande, Göteborg: Lokalförsörjningsförvaltningen , 2005Chapter in book (Other (popular science, discussion, etc.))
  • 46.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH. Research area Built Environment.
    Review of office lighting: Paper presented at CIE Midterm Session (Centenary), Paris, April 15-16, 20132013Conference paper (Refereed)
  • 47.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH, Lighting design. Jönköping University, School of Engineering, JTH. Research area Built Environment.
    The Influence of Artificial Lighting on Performance and Wellbeing2010In: Proceedings of the 2nd CIE Expert Symposium on Appearance, 2010Conference paper (Refereed)
  • 48.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH, Lighting design. Jönköping University, School of Engineering, JTH. Research area Built Environment.
    The influence of light emitting diods on wellbeing and comfort in home offices2011In: Proceedings of the 27th Session of the CIE, Sun City, South Africa, 9 - 16 July 2011, 2011Conference paper (Refereed)
  • 49.
    Kronqvist, Annika
    Jönköping University, School of Engineering, JTH, Lighting design. Jönköping University, School of Engineering, JTH. Research area Built Environment.
    The influence of the lighting environment on performance and well-being in offices2010In: Colour and Light in Architecture - Conference Proceedings / [ed] Zennaro, P, 2010, 212-217 p.Conference paper (Refereed)
    Abstract [en]

    This paper presents an experimental study with 47 participants on the influence of lighting on performance and well-being in an office environment. Well-being, alertness and performance were evaluated and measured in two rooms with artificial lighting and one room with day lighting. The evaluations were correlated to cortisol/melatonin saliva samples, illuminance and spectral compo-sition of the lighting. The results show day lighting to have a sustained influence on alertness and performance and it is furthermore concluded that the level of cortisol in saliva was not influenced by the illuminance and did not have an influence on performance. The participants preferred a lighting with different kinds of light sources to a more neutral lightning and gave it higher ratings for well-being.The analysis shows that comfort did not influence alertness.

  • 50.
    Lantz, Emma
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Malin, Karlsson
    Jönköping University, School of Engineering, JTH, Civil Engineering.
    Den hållbara staden: Hållbarhetscertifiering ur stadsdelsperspektiv2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The concept of sustainable development has in recent decades been a topical subject. Sustainable development includes ecological, economic, social and cultural dimensions. Materials and buildings have for long been able to get environmentally certified. Today certification systems are developed that allows entire urban districts to get a sustainability certification. This could be a step towards sustainable cities. 

    In year 2010 the development project HCS - Sustainability Certification of urban districts was started. It aims to investigate how sustainability certification for urban districts can be used in Sweden. Certification of districts handles a broader perspective and complements the environmental certification of buildings. Instead of focusing solely on the environmental conditions the social, economic and cultural conditions are also managed.

    The thesis aims at a holistic approach to contribute to a more sustainable urban planning. By answering the three questions,

    • What does sustainable development from an urban planning perspective entail?

    • How can a sustainability certification system for urban districts be applied in the work towards sustainable cities?

    • How can an urban district be designed to be sustainable?

    the goal is to show proposals for how an urban district can be designed and planned, from a sustainability certification system, to contribute to a more sustainable urban planning.

    The methods used in this thesis are literature study, document analysis, a case study, interviews and illustration work. The case study is conducted in collaboration with the Municipality of Skövde. The basis for the case study has been the Arenaområdet in Skövde.

    The results of this thesis show that sustainable development from an urban planning perspective, involves working cross-sectionally with questions concerning sustainability of a city. Sustainability dimensions must be treated equally and given equal space in the planning of cities and urban districts. Characteristics of a sustainable city often have its origins in a local context. Consideration needs to be given to the geographical location and its prerequisites. The thesis also shows that to be applied in the work for sustainable cities the sustainability certification for urban districts must make a difference, be useful, reliable, and adaptable. Sustainability certification systems also work as guidelines for the design of urban districts. Basic principles in the design of sustainable urban districts are that they should be flexible in time and contain assorted places to meet and have mixed functions.

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