| 1. |
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Degraded and restituted towns in Poland: Origins, development, problems : Miasta zdegradowane i restytuowane w Polsce. Geneza, rozwój, problemy
- 2015
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Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
- One of the less known problems in settlement geography is the issue of so-called degraded and restituted towns. This lack of reconnaissance, however, is perhaps less the result of the towns’ scarcity than their specificity of being ‘awarded’ or ‘deprived of’ an urban label by means of strictly socio-political actions. Degraded and restituted towns, hence, are spatial units made ‘urban’ or ‘rural’ instantaneously, irrespective of their de facto state along what is widely considered a gradual path of (de)urbanization. Instead, they become compartmentalized into two constructed spatial categories that have survived the onslaught of material transformations and philosophical repositioning through different whims of time. While ‘rural’ and ‘urban’ are conceptual binaries that certainly need to be treated with caution, their cultural salience may cause tangible consequences within national administrative systems that abide by a formalized rural-urban distinction. This issue becomes particularly important for settlements that clearly transcend any imagined rural-urban divide, i.e. those, whose material and immaterial characteristics seem counterfactual to their assigned category. It is also crucial in formal practices designed to avert such counterfactualities, but whose ran-domness of approach more creates confusion than helps straighten out a historical concoction. Both processes, nonetheless, lend ‘urbanity’ and ‘rurality’ a resonance of objectivity, justifying their use as guides for a host of developmental endeavors, despite subverting a much more intricate reality. Degraded and restituted towns are direct derivatives of this. Drawing on the above-mentioned irreconcilabilities, the aim of this book is to present and scrutinize degraded and restituted towns through the example of Poland, where these towns occupy a special niche. For one, Poland, due to its chequered and variegated history, is home to a conspicuously large number of degraded (831) and restituted (236) towns; for another, Poland’s relentlessness of formalizing ‘urbanity’ as a category of statistical, political and cultural guidance has a direct bearing on the lives of the towns’ residents. Realizing the intricacy of degraded and restituted towns in the face of commonplace ru-ral-urban ideations, the editors and the 17 contributing Authors of this book have made an effort to capture the towns’ complexity with special foci on their shrouded origins, developmental specificity and incurred problems. Owing to the involvement of researchers from different scientific disciplines and subdisciplines, the undertaken project has helped elucidate the problem from multiple perspectives: spatial, social, demographic, economic, environmental, historical, architectural, cultural, legal and philosophical. Allocated into 17 chapters, not only have the presented interpretations allowed for a first interdisciplinary synthesis on the topic, but they also helped outline some prospective directions for future research. Moreover, collecting materials of such diversity into an amalgamated whole has helped identify specific discourses that enwrap the concept of “urbanity” when seen through its oscillations within formal contexts, and to which degraded and restituted towns serve as expendable game pieces. By combining knowledge arrived at through ontologically and epistemologically different approaches, the incremental contribution of this book as a whole could be summarized in two attainments: a) extending theoretical frameworks used to study degraded and restituted towns in terms of definition, conceptualization and assessing predispositions for future de-velopment on account of their spatial, legal, socio-economic and historical charac-teristics; b) initiating an anticipated discussion on a number of important and current topics re-lated to the practices of degradation and restitution that have not received adequate attention, e.g., the urbanity-vs.-rurality paradox, the changeability of human settlement forms vs. the consequences of rigid spatial categorizations; the role of various actors in shaping the socio-economic reality under the guise of an ossified binary; or identifying spatio-conceptual conflicts as future challenges for local, regional and national policy.
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| 2. |
- Dervishaj, Arlind
(författare)
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Sunlight Autonomy for Sustainable Buildings and Cities : Maximizing daylight potential outdoors and indoors
- 2024
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Konferensbidrag (refereegranskat)abstract
- Daylight, both outdoors and indoors, is essential for human well-being. However, daylight provision often faces challenges in various climates and locations, due to factors such as shortcomings in regulations, urban densification, deregulation or special exemptions, and the limitations of existing daylight and sunlight evaluation methods. To address these issues, we propose the Sunlight Autonomy, a new methodology and set of metrics, that aims to overcome the limitations of existing early-stage daylighting metrics and is valuable for urban planning and architectural design purposes.
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| 3. |
- Nielsen, Stig Anton, 1981
(författare)
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Propositional architecture and the paradox of prediction
- 2015
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Ingår i: Archidoct Vol. 4. - 2309-0103. ; 4, s. 72-85
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Tidskriftsartikel (refereegranskat)abstract
- What if we could predict trends, rising phenomena and future necessity in our build environment? If we could trace behaviors and forecast the needs for the future? If we had a tool for proposing architecture, that was able to point out potentialities and suggest additions, subtractions and modifications.If Architects had a tool to predict future demands, modification of the build environment could meet the changing behaviors and emerging phenomena in society. Research on existing building stock is reviewed in a context where prediction on complex indeterminate environments is possible. And an entirely new type of architectural tool is proposed, an algorithm for prediction.The algorithm, capable of making prediction in unstructured environments, is presented, and basis and idea of the algorithm is described in detail. The discussion focus on possible applications for this new tool, and the paradox of prediction is debated. Finally, improvements to the computational system are proposed.
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| 4. |
- Säwén, Toivo, 1993
(författare)
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Early Stage Architectural Design Practice Perspectives on Life Cycle Building Performance Assessment
- 2023
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Architectural practitioners can avoid negative social and environmental impacts of new construction by making decisions supported by impact quantification during design processes. However, most software tools developed for such quantification see little use in practice, especially in early design stages when decisions have the greatest influence. To identify ways for software developers to overcome this situation, a thorough literature meta-review of previously performed tool reviews was combined with interviews applying a practice lens. The first key finding is that a possible explanation for the low tool uptake in practice could be a missing practice perspective in previous tool development efforts. In a literature meta-review of publications on life cycle building performance tools identifying previously applied perspectives, most previous tool reviews were found to support tool development and selection, while disregarding how tools can be integrated in existing practices and design processes. As a proposed solution, a framework for defining software requirements using a practice perspective was developed. The second key finding is that a practice perspective could be applied during software development by implementing qualitative methodologies. Nine architectural practitioners in Sweden, Norway and France were interviewed using the interview to the double, a projective technique in which the interviewee is asked to describe their next workday in detail so that their tasks can be assumed by an imagined body double. The design activities described by the respondents were sequenced into user narratives which could serve as starting points for participatory software development processes within the architectural practice. The outcomes - a proposed framework for practice-centric software requirements, and a proposed methodology for collecting these requirements using a practice lens - indicate a research direction toward software development efforts which aligns with design process, architectural practice, and tool user needs. In the next stage of the research this direction will be pursued through application of the developed methodologies in participatory development case studies in early-stage architectural design practice.
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| 5. |
- Ylva, Berglund, et al.
(författare)
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Framsynt efterord
- 2013
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Ingår i: Mellanrum. Fem års seminarier om social hållbarhet och stadsutveckling i Göteborg.
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 6. |
- Nielsen, Stig Anton, 1981, et al.
(författare)
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Propositional Architecture using Induced Representation
- 2014
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Ingår i: What’s the Matter? Materiality and Materialism at the Age of Computation. - 9789608932067 ; , s. 297-312
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Konferensbidrag (refereegranskat)abstract
- The paper describes a method and an approach to using sensor data, machine-learning and pattern recognition for proposing and guiding immediate modifications to the existing built environment. The proposed method; Induced Representation, consists of a few steps which we have identified as crucial for such an approach. The steps are A: data collection from the environment, B: machine cognition, learning, prediction, and, c: proposition, visualization, and embodied representations for quick implementation. In the paper we outline the factual and theoretical basis for this approach, and we present and discuss three experiments that each deal with the steps A, B and C.
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| 7. |
- Mangold, Mikael, 1982, et al.
(författare)
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Who benefits? Effects and perceptions of residential volumetric water billing
- 2012
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Ingår i: 2nd Nordic Conference on Consumer Research, 29 May-1 June, 2012, Göteborg.
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Konferensbidrag (refereegranskat)abstract
- What are the effects and perceptions of increased installation of water metering and volumetric billing in residential areas in Sweden? An interview study was undertaken in a low-income suburb of Göteborg to explore residents’ experiences and opinions. Additionally, the interests of water and energy companies, social affairs committee, real estate owner and maintainer were investigated to contrast the added value of reduced water consumption. Stakeholders either benefit or are disadvantaged by the introduced system. Furthermore, the applied tariff structure fails to motivate all segments of the population to reduce water consumption, yet still inequitably burdens the most financially exposed groups.
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| 8. |
- Femenias, Paula, 1966, et al.
(författare)
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Från omfattande till varsam renovering
- 2019
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Ingår i: Hållbar renovering ur ett helhetsperspektiv: En antologi från forskningsmiljön SIRen. - 9789188722652 ; , s. 47-54
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 9. |
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| 10. |
- Shadram, Farshid, 1987-
(författare)
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Assessment and optimization of life cycle enrgy use in buildings
- 2018
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Buildings account for 40% of all energy use in European countries. The European Union (EU) therefore encourages member states to adopt Energy Efficiency Measures (EEMs) and implement energy-efficient practices during building design to minimize the energy use of buildings. However, recent studies have shown that energy-efficient buildings may not always outperform conventional buildings in terms of Life Cycle Energy (LCE) use. This is mainly due to the trade-off between embodied and operational energy, and a reliance on EEMs that reduce operational energy while sometimes increasing embodied energy and LCE use. To improve buildings’ environmental performance, the impact of different EEMs on buildings’ energy use needs to be assessed from a lifecycle perspective, and methods for identifying optimal combinations of EEMs that minimize LCE use should be developed. Ideally, these methods should be integrated with building information modelling (BIM) to enable seamless data exchange and to help Architecture, Engineering and Construction (AEC) practitioners make optimal design decisions relating to EEMs. The work presented in this thesis had two overall objectives: (1) to explore the scope for developing BIM-supported method(s) for assessing and optimizing the impact of EEMs on buildings’ LCE use during the design process, and (2) use the BIM-supported method(s) for exploring the impact of various EEMs that are implemented and modified during the building design process on the buildings’ LCE use.The work presented in this thesis is based on an exploratory research design involving iterative cycles of (1) problem identification, (2) method development, (3) method examination, and (4) theory suggestion. In step 1, problems were identified by conducting literature studies and workshops with AEC practitioners, and analyzing archival data. In step 2, prototyping was used to develop methods to overcome the identified problems. In step 3, the applicability of these methods (or prototypes) was tested in case studies on actual and hypothetical building projects. Three case studies were conducted – one dealing with a low energy dwelling located in Kiruna, Sweden; another dealing with a multifamily residential building in Uppsala, Sweden; and a third dealing with a hypothetical multifamily residential building in Stockholm, Sweden. In step 4, the results were compared to existing theories to strengthen existing knowledge and identify previously unrecognized findings.In relation to the first objective, the results obtained show that the factors and activities required to develop BIM-supported method(s) for assessing and optimizing the impact of EEMs on a building’s LCE use during the design phase are:• A database that stores external and building project data (e.g. BIM data) and links it to be used for assessment and optimization, providing access to the data whenever needed.• The development of interfaces using middleware applications to ensure interoperability and seamless automated exchange of information between BIM and other systems.• Predefined objects (i.e. building part and component recipes) that are stored in a database and linked to inventories and Environmental Product Declarations (EPDs) for the relevant materials, enabling assessment of the buildings’ embodied energy and LCE use.• The application of multi-objective optimization techniques (e.g. Pareto-based genetic algorithms) to identify optimal solution(s) for EEMs that minimize (optimize) the building’s LCE use.In relation to the second objective of the thesis, the results obtained indicate that:• EEMs that are implemented and modified during the detailed design phase have much less influence on the building’s LCE use than those implemented in the early design phase. Highly influential EEMs related to the early design phase which were tested herein were the building’s shape, orientation, Window to Wall Ratio (WWR), and the selection of materials used in the building envelope.• Generally, thickening roof insulation has a strong beneficial effect on LCE use for buildings in Sweden.• For buildings using energy sources with high primary energy factors, the most effective way to reduce LCE use may be to implement many EEMs that reduce operational energy use. However, this approach may be less helpful for buildings using greener energy sources because in such cases the embodied energy may have a greater effect on the final LCE use.• The embodied energies of materials in the same class can vary significantly between suppliers. Such differences in embodied energy can be identified by considering the suppliers’ EPDs, the energetic contributions due to their mode of transportation from the site of production, and the distance between the site of production and the construction site.• If the developed optimization approach is used to identify optimal combinations of EEMs in the early design phase, designers can freely choose from a wide range of building shapes without greatly affecting LCE use. However, without early phase optimization, designs that use different building shapes may exhibit significantly different LCE use values.The results provide both theoretical and practical contributions that may be useful to researchers and AEC practitioners seeking to develop BIM-supported design processes and to reduce buildings’ LCE use by adopting appropriate EEMs. The results also show that embodied energy can be a major component of a building’s LCE use if the building’s design relies heavily on EEMs designed solely to reduce operational energy use. Policy makers and governmental bodies are thus advised to update regulations and building codes to reflect the importance of embodied energy so as to minimize the LCE use of new and retrofitting building projects.
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| 11. |
- Ståhle, Alexander, et al.
(författare)
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Designguide för Smarta gator
- 2022
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Bok (övrigt vetenskapligt/konstnärligt)abstract
- Designguiden för smarta gator konkretiserar hur de fyra megatrenderna urbanisering, digitalisering, samhällsförändringar och miljöförändringar leder till nya krav och utformningsprinciper för framtidens gator. Guiden är tänkt att fungera som en inspiration och ett underlag för att förnya svensk gatupolicy på nationell, regional och kommunal nivå.Guiden innehåller utöver en inledning följande kapitel: en historisk tillbakablick (gatans utveckling), gatans användning, gatans delar, gatans design, designprocessen, guidens genomförande.
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| 12. |
- Hagbert, Pernilla, et al.
(författare)
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Paradoxes and possibilities for a 'green' housing sector : A swedish case
- 2013
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Ingår i: Sustainability. - : MDPI. - 2071-1050. ; 5:5, s. 2018-2035
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Tidskriftsartikel (refereegranskat)abstract
- As global and local visions for sustainable living environments are increasingly supported by policies and concrete practices in construction, the building and housing sector is seeking to mitigate its environmental impact as well as assume a greater social responsibility. The overarching policy objectives set to concretize what a sustainable housing development entails, however, tend to rely on equivocal terminology, allowing a varied interpretation by key industry practitioners. Though in line with an ecological modernization paradigm in policy, the promotion of a market-driven environmentalism in housing faces multiple challenges as varying interests and perspectives collide. Supported by empirical findings of a semi-structured interview study conducted with housing developers in a new =green' urban district in Göteborg, Sweden, theoretical frameworks surrounding the paradoxical path towards a sustainable housing development are presented. Inconsistencies between outspoken ambitions; social dimensions; and the framing of efficiency in new housing are discussed. Possibilities for the housing sector are given in the recognition of new forms of development, where a systemic perspective is required in the alignment between how industry, policy and the market perceives housing development and what is actually sustainable.
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| 13. |
- Forsemalm, Joakim, 1973, et al.
(författare)
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Urban Qualities: ett kunskapsområde
- 2013
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Den här kunskapsöversikten är ett försök att utkristallisera relevant forskning såväl som praktisk kunskap för Mistra Urban Futures om urbana kvaliteter. Översikten är kopplad till ett arbete som genomförts under vår och höst 2011 med syfte att skapa underlag för den Strategiska plan som utgör grunden för Mistra Urban Futures planering och aktiviteter. Under våren 2011 arbetade sex grupper med varsitt kunskapsfält – urbana kvaliteter, urban förändring (”transitions”), urbana kulturer, urbana rättigheter, urban tillgänglighet och urban uthållighet. Tanken var att dessa skulle utgöra de sex bärande fokusområdena för centrets verksamhet. Sedermera kom dessa sex områden att slås ihop till tre - FAIR, GREEN och DENSE – vilka nu utgör de tre övergripande problem- och kunskapsområdena för Mistra Urban Futures.
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| 14. |
- Roupé, Mattias, 1975, et al.
(författare)
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Immersive visualization of Building Information Models
- 2016
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Ingår i: Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference of the Association for Computer-Aided Architectural Design Research in Asia (CAADRIA 2016). - 9789881902672 ; , s. 673-682
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Konferensbidrag (refereegranskat)abstract
- The design process of a building often involves many different actors and people with different experiences, level of knowledge and ability to interpret information. The most common information media in these processes are 2D-drawings, documents and 3D images of design. These media can be difficult to interpret and understand and could cause communication difficulties and design errors. However, in this context, Building Information Modelling (BIM) and Virtual Reality (VR) have been shown to offer an efficient communication platform. In this paper we present and evaluate a portable immersive visualization system that uses the BIMs directly from the design tools. The system is validated in a real construction project, where the dif-ferent disciplines in the design process used the system. The result was collected through interviews and observation during usage of the system. All the participants expressed that this type of visual interface helped them to get another level of understanding and perception of space, which lead to better decision-making process and resolving of design issues.
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| 15. |
- Stolen, Reidar, et al.
(författare)
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Solcelleteknologi og brannsikkerhet
- 2018
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Bruken av solcelleteknologi er i stor vekst i Norge. I denne studien er branntekniske utfordringer ved bruk av solcelleteknologi undersøkt, med hensyn på brannstart, brannspredning og brannslokking. Studien danner et kunnskapsgrunnlag for å ivareta brannsikkerheten under montering, drift og under slokkeinnsats, samt for å utforme et enhetlig og tydelig regelverk. Resultatene fra studien viser:Brannstart: Solcelleinstallasjoner inneholder mange koblingspunkt, som kan være potensielle tennkilder, og en liten mengde brennbare materialer. Dermed er det som trengs til stede for å starte en brann. Det er viktig at alle kontaktpunkter i solcelleinstallasjonen er robuste og tåler den påkjenningen de blir utsatt for gjennom sin levetid uten at det oppstår dårlig kontakt som kan føre til brann.Brannspredning: For utenpåmonterte solcellemoduler er det ofte en åpen luftspalte mellom modul og bygning. Dersom det er en brann i denne luftspalten, vil varmen kunne bli akkumulert, noe som kan føre til raskere og større brannspredning enn om bygningsoverflaten ikke hadde vært tildekket. I fullskalaforsøk med solcellemoduler montert på tak spredte brannen seg under hele arealet som var dekket av moduler, men stoppet da den nærmet seg kanten av dette arealet. Dette illustrerer viktigheten av at områder med solceller utenpå en bygning blir seksjonert for å unngå brannspredning. Eventuelt kan det benyttes mindre brennbare materialer på taket under solcellemodulene for å motvirke den økte varmepåkjenningen som solcellemodulene gir. Luftspalten mellom modul og bygning kan potensielt også gi endringer i luftstrømningen langs bygget, som igjen kan påvirke brannspredningen.Brannslokking: Brannvesenet har behov for informasjon om det er solcelleinstallasjon i bygget og hvilke deler av det elektriske anlegget som kan være spenningssatt. Under slokkeinnsats må brannvesenet ta hensyn til berøringsfare, og fare for at det kan oppstå lysbuer og andre feil som kan føre til nye antennelsespunkt. Ferskvann kan brukes som slokkemiddel, dette må spyles fra minimum 1 meters avstand med spredt stråle og minimum 5 meters avstand med samlet stråle. Solcellemoduler kan komplisere brannslokking ved at de danner en fysisk barriere mellom brannvesenet og brannen, samt fordi det må tas hensyn til plassering av spenningssatte komponenter. Når disse punktene er tatt høyde for, bør ikke utenpåmonterte solcelleinstallasjoner være et problem.Videre arbeid: For utenpåmonterte solcelleinstallasjoner, er det lite forskning på vertikal montering (på fasader), og hvordan en eventuell endret branndynamikk kan påvirke brannspredning og slokking. Videre er det i dag økende bruk av bygningsintegrerte solcelleinstallasjoner, noe som gir mange mulige nye utfordringer for brannsikkerheten og for regelverk, ettersom solcellen da er en del av bygningskroppen, samtidig som den er en elektrisk komponent. Tysk statistikk tyder på at brannrisiko for slike installasjoner kan være større enn for utenpåmonterte solcelleinstallasjoner, og dette vil det derfor være viktig å undersøke nærmere.
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| 16. |
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| 17. |
- Dyrssen, Catharina, 1949, et al.
(författare)
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Key urban projects: Local-regional planning tools for fragile urban landscapes
- 2014
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Ingår i: World in Denmark 2014: Nordic encounters. Travelling ideas about open space design and planning.
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Konferensbidrag (refereegranskat)abstract
- In Sweden, cities are promoted as drivers of economic growth and solutions for decreased climatic influence, resulting in a dominant focus on development of large cities in the planning debate and sustainability discourse. As discussed by Harvey (2006), Massey (2007) and Tietjen (2011), this increases differences between growing and declining cities and regions, and escalates uneven geographic development. The process produces fragile urban landscapes, i.e. local situations short of resources, skills and mandates to handle change and deal with in-lock of sense-making structures, thereby concealing actual site specific possibilities and the potential of development of small towns and rural areas. This renders the need for new relevant planning tools with onset in a relational perspective on space (Harvey 2006, Massey 2007), urban ecologies (Guattari 1989, Banham 1971) and design-based, proformative approaches (Solà Morales 2008, Bunschoten 2001, Cuff & Sherman 2011). This article argues for key urban projects as a relational, place-specific, operative planning tool that can open and lock urban transformation, secure and guide implementation and reveal strategies to develop fragile urban landscapes, with ability to: handle centre-periphery and urban-rural as dynamic contingencies; combine the capacity of different urban ecologies; relate the formation of urban landscapes to different scales; optimise combinatory potentials of local-regional resources; secure forms of operative collaboration; trigger critical negotiations; and integrate spatial implementation to the planning process.These abilities are tested through design-based research-methodology with onset from works in progress in five Swedish contexts of practice that outline a spectrum of important characteristics of fragile urban landscapes.Key Urban Projects are identified and developed through a mapping process iterating between identification of specific issues and the outline of their relevant contours, a process that both visualize and establish assemblages (DeLanda 2006). Key Projects gain their potential through stepwise change of the existing material landscape and its urban ecologies.
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| 18. |
- Estévez Mauriz, Laura, 1982
(författare)
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The urban form and the sound environment - Tools and approaches
- 2017
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Cities are always confronted with transition and adaptation. Awareness on urban environmental quality is leading the vision about the built environment’s resilience and sustainability, highlighting the importance of a multidisciplinary framework for urbanisation processes. One of the main concerns is the negative impact of outdoor noise due to road traffic, whereby controlling the sound environment through good quality spatial production is a priority. Europe and other parts of the world are experiencing a chronic traffic congestion problem. The environmental impact of this situation is overwhelming, where 90 % of the health impact due to noise exposure is estimated to be caused by road traffic noise. In this regard, noise maps are seen as a powerful tool in the development of new urban areas, where its noise level underestimation can endanger the wellbeing of citizens. At this rapid urbanisation, divided pronouncements on decision-making are devastating. The aim is to overcome negative aspects derived from a late intervention by including urban sound planning as an opportunity to the user’s experience and wellbeing, avoiding poor patches in the urban configuration and economical burden. The present work is committed to the development of tools for controlling, communicating and designing the sound environment on a level beyond today’s solutions, capable to be included at the early stages of the planning process. First, the study goes through the importance of the quiet side and the implementation of an engineering method as a powerful tool in the urban development, obtaining accurate results compared to measurements. In an attempt to study time variations of traffic within cities and its relevance regarding noise emission (normally overlooked in current noise mapping calculations), a microscopic road traffic modelling tool is developed in the second study, giving useful output for noise level predictions as function of time. The time-pattern analysis opens the possibility to test traffic configurations and explore a large variety of results in the form of descriptors as statistical indicators, calm periods and noise events, and outcomes as difference maps and contribution maps. The third study extends toward the evaluation of the effects of spatial heterogeneity (considered a key strategy to increase the liveability of spaces) on the environmental performance and resilience capacity of the transportation system through the study of noise pollution and its economic impact. The studies presented are using real case scenarios as a test-bed not only for implementation, but mainly for the development of tools.
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| 19. |
- Hagbert, Pernilla, 1986
(författare)
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Den gröna byggbranschens paradox
- 2013
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Ingår i: Att svära i kyrkan - tjugofyra röster om evig tillväxt på en ändlig planet. - 9789198146707 ; , s. 206-217
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 20. |
- Kickert, Conrad Christiaan, et al.
(författare)
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Surveying density, urban characteristics, and development capacity of station areas in the Delta Metropolis
- 2014
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Ingår i: Environment and Planning B: Planning and Design. - : SAGE Publications. - 2399-8083 .- 2399-8091 .- 0265-8135 .- 1472-3417. ; 41, s. 69-92
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Tidskriftsartikel (refereegranskat)abstract
- The combination of growing mobility needs and dwindling transportation budgets in the Dutch Delta Metropolis has raised the need for smarter use of existing public transport infrastructure. A significant portion of this smarter use may come from strengthening the ties between infrastructure improvements and transit-oriented development. To further this goal, the Delta Metropolis Association has developed SprintCity (SprintStad in Dutch), a serious game and planning support tool that engages stakeholders in transit-oriented development to explore interaction between transport and land use, as described in Bertolini’s node–place model. However, its underlying database has proven insufficient to draw conclusions regarding urban character and development capacity around stations. This paper focuses on morphological research that aims to improve this database by exploring the density and urban morphology of station areas in the Delta Metropolis beyond readily available statistics, and discusses the methodological and theoretical underpinnings of this survey. The surveying of station areas in 2010 was conducted by a team of six researchers, based on the Spacemate© methodology developed by Berghauser Pont and Haupt. The methodology allows detailed quantitative measurement of the density and spatial characteristics of clearly demarcated urban districts, defining their so-called ‘spatial fingerprint’. The resulting database of 850 districts in 55 station areas has served descriptive goals, strengthening the realism in the SprintCity game, and serves as the database for further establishing the development potential of station areas.
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| 21. |
- Hagbert, Pernilla, 1986, et al.
(författare)
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Reducing water consumption
- 2012
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Ingår i: 1st RESPONDER Knowledge Brokerage Event on Sustainable Housing, 28-30 March, 2012, Barcelona, Spain.
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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| 22. |
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| 23. |
- Siesjö, Björn, et al.
(författare)
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Inledning
- 2018
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Ingår i: Hus mot himlen. Hållbar hybris? Olshammar, G., Olsson, K. och Siesjö, B. (red.). - Malmö : Arena. - 9789178435210
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 24. |
- Volchko, Yevheniya, 1979, et al.
(författare)
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Subsurface planning: Towards a common understanding of the subsurface as a multifunctional resource
- 2020
-
Ingår i: Land Use Policy. - : Elsevier BV. - 0264-8377 .- 1873-5754. ; 90
-
Tidskriftsartikel (refereegranskat)abstract
- In response to powerful trends in technology, resource and land supply and demand, socioeconomics and geopolitics, cities are likely to increase use of the subsurface in the near future. Indeed, the subsurface and its appropriate use have been put forward as being of crucial importance if we are to achieve resilient and sustainable cities. In recent years, quite apart from being seen primarily as a construction basis to provide physical space for infrastructure and to create a better surface living environment, the subsurface has been recognised as a multifunctional natural resource, one which provides physical space, water, energy, materials, habitats for ecosystems, support for surface life, and a repository for cultural heritage and geological archives. Currently, the subsurface is often utilised according to the “first-come-first-served” principle, which hinders possibilities to take strategic decisions on prioritisation and optimisation of competing subsurface uses, as well as fair inter- and intragenerational distribution of limited natural resources. Taking a broad international perspective, this paper investigates the subsurface as a multifunctional resource from five focal points: (1) what professionals with different backgrounds mean when using different terms related to the subsurface; (2) how professionals describe the subsurface and its multiple resources, functions and services; (3) how planning of subsurface use is supported in policy and regulations; (4) how the subsurface is included in the planning process; and (5) frameworks that can support decision-making on responsible use of the subsurface. The study reveals that the subsurface must be recognised (not only by scientists but also by decision- and policy-makers and other stakeholders) as a precious and multifunctional resource requiring careful planning and sensitive management in accordance with its potential and its value to society. Utilisation of the different subsurface functions to yield services requires careful planning and a framework to support decision-makers in achieving a balance between utilisation and preservation, and between the subsurface functions themselves in the case of outright utilisation. Further, to facilitate the necessary change towards transdisciplinary work settings in the planning process and form a platform for knowledge exchange and capacity building, there is an urgent need for a common language, i.e. mutually understandable terminology, and a common understanding, i.e. an all-inclusive view on the subsurface as a complex multifunctional resource.
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| 25. |
- Dervishaj, Arlind, et al.
(författare)
-
Sunlight Autonomy for Buildings: A New Methodology for Evaluating Sunlight Performance in Urban and Architectural Design
- 2024
-
Ingår i: LEUKOS The Journal of the Illuminating Engineering Society of North America. - : Informa UK Limited. - 1550-2724 .- 1550-2716. ; , s. 1-31
-
Tidskriftsartikel (refereegranskat)abstract
- Due to urbanization and growing density in cities in the past century, metrics were introduced to assess daylight performance such as minimum sunlight hours and the daylight factor. The paper initially explores the shortcomings of early-stage daylight and sunlight evaluation methods. A novel methodology called Sunlight Autonomy (SA) is proposed for evaluating sunlight performance in buildings. The SA is based on the “Exposure to sunlight” criteria in EN 170307 “Daylight in Buildings,” where a computational method is used for the evaluation on a specified day. The SA concept expands the analysis temporally over the entire year, and spatially on building facades, leading to new metrics for a point of evaluation, and spatial metrics for buildings. The SA methodology is analyzed in a case study across four European cities. The SA metrics on facades between February 1st and March 21st, days in EN 17037, led to differences up to 63%. This revealed a significant shortcoming in EN 17037, relevant for Nordic regions. The differences of spatial metrics between March 21st and 50% of the year were within 5%, and up to 33% between February 1st and 75% of the year. The timestep affects the metrics and a window evaluation showed that the error of a 10-minute analysis was within 5% of daily insolation and 5 days for the annual SA. The potential of these metrics for urban planning and the architectural design process is examined. The interaction between SA and EN 17037, as well as other ongoing research developments, is discussed.
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| 26. |
- Roupé, Mattias, 1975
(författare)
-
Development and Implementations of Virtual Reality for Decision-making in Urban Planning and Building Design
- 2013
-
Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The use of Virtual Reality (VR) has been seen by many as holding great potential for increasing the effectiveness and improving communication in the decision making process in urban planning and building design. VR can facilitate processes so that participants can together better understand, identify and analyze problems to improve their decision making and thereby the future urban environment. However, VR has not had the impact and penetration that was predicted much due to often cited barriers to new technologies in the construction industry, e.g. human and cultural factors, lack of IT skills, lack of knowledge and awareness, and finally the lack of the technology itself including, for example, available tools and methods. This thesis contributes knowledge that enhances the usability and successful implementation of VR technology in the urban planning and building design process. The approach has been to investigate both the usability and technical aspects of VR. In the context of usability, this thesis deals with whether and how VR can be used in decision making in the urban planning and building design process. It examines how different stakeholders experience and are affected by the VR medium in different decision making situations in the urban planning and building design process. The technical part of this thesis aims to improve the usability and implementation of VR by presenting new tools and methods that suit the existing planning pipeline in the urban planning and building design process. Here it is important to create cost and time effective tools and methods for producing virtual worlds.The results show that VR was experienced to be useful by the participants in the investigated parts of the decision making process. The VR model imparted a broader understanding about the sizes and volumes of the new buildings and how these interact with the surrounding urban environment. The last study showed how the phenomena of reference points and anchoring points could cause biased judgment effects in decision making when the VR medium is used. This thesis also presents four technical methods that integrate VR efficiently into urban planning and building design by:1.Enhancing the visual quality of ground material2.Supporting collaboration and maintenance of 3D city modeling through a sub-version control system.3.Integrating building proposals with its surrounding ground area into the 3D city model 4.Using the human body as an interactive navigation interfaceThe methods have been integrated into the MrViz software that has been used at the City Planning Authorities of Göteborg and Kungsbacka.
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| 27. |
- Moazami, Amin, et al.
(författare)
-
Towards climate robust buildings: An innovative method for designing buildings with robust energy performance under climate change
- 2019
-
Ingår i: Energy and Buildings. - : Elsevier BV. - 0378-7788. ; 202
-
Tidskriftsartikel (refereegranskat)abstract
- Neglecting extremes and designing buildings for the past or most likely weather conditions is not the best approach for the future. Robust design techniques can, however, be a viable option for tackling future challenges. The concept of robust design was first introduced by Taguchi in the 1940s. The result of the design process is a product that is insensitive to the effect of given sources of variability, even though the sources themselves are not eliminated. A robust design optimization (RDO) method is for the first time proposed in this paper, for supporting architects and engineers in the design of buildings with robust energy performance under climate change and extreme conditions. The simplicity and the low computational demand of the process underlies the feasibility and applicability of this method, which can be used at any stage of the design process. The results show that the performance of the optimum solution not only has a 81.5% lower variation (less sensitivity to climate uncertainty) but at the same time has a 14.4% lower mean energy use value compared with a solution that is compliant with a recent construction standard (ASHRAE 90.1-2016). Less sensitivity to climate uncertainty means greater robustness to climate change whilst maintaining high performance.
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| 28. |
- Dervishaj, Arlind, et al.
(författare)
-
A digital workflow for assessing lifespan, carbonation, and embodied carbon of reusing concrete in buildings
- 2024
-
Ingår i: Journal of Building Engineering. - : Elsevier. - 2352-7102. ; 96, s. 1-23
-
Tidskriftsartikel (refereegranskat)abstract
- Concrete is the most used construction material, accounting for 8% of global CO2 emissions. Various strategies aim to reduce concrete's embodied carbon, such as using supplementary cementitious materials, utilizing cleaner energy, and carbonation. However, a large potential lies in reusing concrete for new buildings in a Circular Economy, thereby closing material loops and avoiding CO2 emissions.This study focuses on the reuse of precast concrete elements. We present a digital workflow for assessing reuse by predicting the remaining service life, estimating CO2 uptake by natural carbonation, and calculating the embodied carbon savings of concrete reuse. Both carbonation rates from EN 16757 and our investigation were applied to a case study building.While EN 16757 rates suggest that most precast elements have reached the end of their service life, our assessment shows that these elements have a sufficient lifespan for reuse. Plaster and coverings significantly delay carbonation and extend service life. During the first service life following EN 16757, carbonation was 19,2 kg CO2/m3, whereas our prediction was 5,4 kg CO2/m3. Moreover, CO2 uptake during service life, including reuse, was less than 6% of the embodied carbon. The climate benefits of reuse greatly exceeded those of carbonation.Furthermore, carbonation did not have a decisive influence when applying Cut-Off, Distributed, and End-of-Life allocations for assessing embodied carbon of re-used elements in subsequent life cycles. The digital workflow is useful in quickly assessing lifespan, carbonation, and embodied carbon of concrete. It can be leveraged as a decision-making tool when designing for reuse.
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| 29. |
- Wallbaum, Holger, 1967, et al.
(författare)
-
Nachhaltig bauen - Lebenszyklus, Systeme, Szenarien, Verantwortung
- 2011
-
Bok (övrigt vetenskapligt/konstnärligt)abstract
- Dem Bauwesen kommt bei der Zielsetzung einer Nachhaltigen Entwicklung eine grosse Bedeutung zu. "Nachhaltig Bauen" bedeutet vereinfacht ausgedrückt, Bauwerke zu errichten und zu erhalten, die ein Kapital für zukünftige Generationen darstellen und keine Altlast.Das Buch bietet einen Einstieg in diese Thematik über drei Zugänge: Denkschule, Handwerkszeug und Beispiele. Es wird der bestehenden Baupraxis ein Ansatz gegenübergestellt, der sich am gesamten Lebenszyklus der Bauwerke orientiert und ein Denken und Planen in Systemen und Szenarien voraussetzt. Dies erfordert ein modernes Selbstverständnis des Planenden, der bei sämtlichen Prozessen der Planung und Bewirtschaftung die Verantwortung übernimmt und sich nicht nur auf den Entwurf beschränkt. Beispiele Nachhaltigen Bauens veranschaulichen mögliche Lösungsansätze und zeigen auf, welche Ideen funktionieren oder wo noch optimiert werden kann. Ein Anhang mit einer umfassenden Übersicht zu Instrumenten für Nachhaltiges Bauen ergänzt die Publikation.- Umfasst den ganzen Lebenszyklus von Bauten, von der Herstellung über die Nutzung bis zur Entsorgung.- Thematisiert viele Teilbereiche: u.a. Projektmanagement, Life Cycle Management, Facility Management, Immobilieninvestition.- Enthält einen umfassenden Anhang zu Instrumenten und Hilfsmitteln.
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| 30. |
- Billger, Monica, 1961
(författare)
-
Färg, ljus och rumslig dynamik
- 2014
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Ingår i: Färg & Ljus för människan i rummet. - 9789173336536 ; , s. 201-219
-
Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 31. |
- Hellwig, Runa T., et al.
(författare)
-
The potential of the adaptive thermal comfort concept in long-term actively conditioned buildings for improved energy performance and user wellbeing
- 2020
-
Ingår i: IOP Conference Series: Earth and Environmental Science. - : IOP Publishing. - 1755-1307 .- 1755-1315. ; 588:3
-
Konferensbidrag (refereegranskat)abstract
- Technological progress in conditioning practice combined with prevailing thermal comfort criteria, created stable, tightly controlled indoor temperature bands. Research shows indoor temperatures to be increasing in the heating period, leading to higher building energy use than planned. Field studies provide proof that occupants not in control of their indoor climate are more dissatisfied and report problems in wellbeing. Widening temperature bands could be an effective measure leading to energy conservation, increasing satisfaction and, as shown recently, helping to mitigate health problems related to our way of life. The adaptive approach to thermal comfort postulates that people's thermal comfort perception adapts to the indoor and outdoor climatic conditions they normally experience. However, according to standards, the adaptive model is applicable only to passively conditioned (free-running) buildings, even though the adaptive principles may well apply also to actively conditioned buildings. Our review found studies demonstrating positive health effects and energy conservation potential in permanently or seasonally conditioned buildings. On this basis, the potential of the adaptive approach and translations into concrete design or operation solutions for actively conditioned buildings are discussed in this paper. We conclude that the adaptive concept offers a potential for indoor climate control in actively conditioned buildings in the temperate and cold climates.
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| 32. |
- Jockwer, Robert, 1984, et al.
(författare)
-
Design for adaption - making timber buildings ready for circular use and extended service life
- 2021
-
Ingår i: World Conference on Timber Engineering 2021, WCTE 2021.
-
Konferensbidrag (refereegranskat)abstract
- The use of timber and the implementation of the concept of circularity in the process of the construction of buildings potentially has a high sustainability impact, both from the perspective of material and construction technique. The three most effective ways to ensure the benefit of the circularity in the building sector in general are (1) maintain the service life of structures and buildings materials as long as possible to avoid unnecessary emissions and costs for demolition and reconstruction (2) conserve the quality of materials as long as possible to avoid unnecessary emissions and costs for the replacement and processing of new materials and (3) recycle and repurpose only the parts and materials which cannot function any more for technical and/or socio-cultural reasons. In this paper an approach is discussed towards a more sustainable built environment by making buildings adaptable to the changes of demands and requirements to building functions and thus leading to an extended use of buildings in a maximum of life cycles. This design for adaption may enhance economic, social and environmental benefits to various stakeholders and key players related to the building process, i.e. developers, building owners, users, municipality and others.
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| 33. |
- Johansson, Pär, 1986, et al.
(författare)
-
Aerogelbaserad puts för energieffektivisering av äldre och kulturhistoriskt värdefulla byggnader (webinar)
- 2021
-
Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
- I denna webinar i samarbete med Energimyndighetens program Spara och Bevara introduceras aerogelbaserad puts och vi beskriver hur materialet kan bidra till renovering och energieffektivisering. I webinariet presenteras också helt färska forskningsresultat. Många äldre byggnader är svåra att renovera för att uppnå en god energibesparing. Detta gäller speciellt för kulturhistoriska byggnader där det finns begränsningar i möjliga praktiska och tekniska lösningar. Byggnadernas karaktärsdrag, begränsningar i tillåten väggtjocklek i bygglov och risker for fuktrelaterade skador är bara några exempel. I ett forskningsprojekt på Chalmers studeras en ny typ av isolerande puts. Denna puts är baserad på aerogelpartiklar som möjliggör fler tekniska lösningar vid renovering och energieffektivisering än konventionell puts. Aerogelbaserad puts är kalk- eller cementbaserad och innehåller aerogel som är ett superisolerande material. Dess värmekonduktivitet är under 0,020 W/m·K, ungefär hälften av mineralullsisolering. Aerogelpartiklarna ger den aerogelbaserade putsen isolerande egenskaper jämförbara med konventionella isoleringsmaterial. Förutom bättre isolerande egenskaper jämfört med vanlig puts är den aerogelbaserade putsen fuktdiffusionsöppen och har en hög fuktkapacitet. Detta är fördelaktiga egenskaper för att uppnå en fuktsäker konstruktion. Aerogelbaserad puts kan vara en del av lösningen på utmaningarna för att renovera kulturhistoriska byggnader, utan att förvanska utseendet, samtidigt som tjockleken på isoleringen kan minska. Nu utvärderas materialet ur värme- och fuktsynpunkt för användning i svenska byggnader och klimatförhållanden.
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| 34. |
- Johansson, Pär, 1986, et al.
(författare)
-
Interior insulation using super insulation materials: saving energy and space
- 2020
-
Ingår i: IOP Conference Series: Earth and Environmental Science. - : IOP Publishing. - 1755-1307 .- 1755-1315. ; 588:5
-
Konferensbidrag (refereegranskat)abstract
- Interior insulation can be used in buildings where the exterior characteristics may not be altered due to cultural heritage protection. This is common for many buildings in Sweden from the period before 1941. Energy efficiency, thermal comfort and building performance are all affected by an interior insulation. Super insulation materials present novel opportunities to save both energy and space. The aim of this study is to investigate the benefits and drawbacks of using super insulation materials as interior insulation. A field study building was investigated for feasibility, which, together with interviews with professionals in the field of architecture, cultural heritage and building consultants, give a general overview. In conclusion, there are both benefits and drawbacks with interior insulation. Super insulation provides increased flexibility in terms of interior detailing and possibility to preserve characteristic elements. On building level interior super insulation could reduce the energy use by up to 20%. This gives energy savings of 0.5 TWh on national level and a reduction of 0.7% of the total CO2 emissions for heating the Swedish building stock. A drawback is that there are few examples and little experience from building with super insulation materials among both architects and other decision makers.
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| 35. |
- Karim, Ali Naman, 1992, et al.
(författare)
-
Aerogelbaserad puts- Superisolering för framtiden
- 2020
-
Ingår i: Husbyggaren. ; :6, s. 8-11
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- I ett forskningsprojekt på Chalmers studeras en aerogelbaserad puts med mycket bra isolerande egenskaper. Förhoppningen är att användningen av den så kallade superisolerande putsen ska bidra till att minska byggsektorns energianvändning, både för existerande och nya byggnader. Superisolerande puts kan, förutom att spara energi, dessutom resultera i funktionella väggar med mindre tjocklek. Detta bidrar i sin tur till att öka mängden uthyrningsbar golvyta inomhus, yta som annars skulle tagits upp av väggens isolering. I denna artikel vill vi informera om vad vi planerar att göra i projektet och berätta om den superisolerande putsens egenskaper.
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| 36. |
- Karim, Ali Naman, 1992, et al.
(författare)
-
Super insulation plasters in renovation of buildings in Sweden: energy efficiency and possibilities with new building materials
- 2020
-
Ingår i: IOP Conference Series: Earth and Environmental Science. - : IOP Publishing. - 1755-1307 .- 1755-1315. ; 588:4
-
Konferensbidrag (refereegranskat)abstract
- Super insulation plasters are new and high energy efficient plasters mixed with aerogel particles. Aerogel is a porous and low-density material with very low thermal conductivity compared to the traditional insulation materials. Today, approximately 27% of Sweden’s multi-family houses have a plaster façade. Plaster is commonly used in many other European countries as well. In this paper, numerical simulations are utilized to estimate the total magnitude of energy and CO2 emissions that can be saved annually in Sweden by using super insulation plasters. In additional, possibilities and challenges in conjunction with the introduction of new techniques and materials in the building sector have been addressed, through interviews and literature review. The annual energy use and CO2 emissions can be reduced by 74±48 GWh and 1000 ±600 ton respectively if 10% of Sweden’s multi-family houses are externally insulated by super insulation plaster. Based on the interviews it is evident that distinct information and documentation about a new building material, concerning the material properties and long-termperformance, needs to be provided by the producer before usage of the material on industrial scale. Another important issue is the cost of a new technique and that it has to be economically motivated. Implementation of the super insulation plaster in Swedish buildings can contribute to achieving the sustainable development goals numbers 7, 8 and 9 by 2030, by increasing the energy efficiency of buildings and productivity on construction sites.
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| 37. |
- Larsson, Clara, et al.
(författare)
-
Visualizing Invisible Environmental Data in VR: Development and Implementation of Design Concepts for Communicating Urban Air Quality in a Virtual City Model
- 2023
-
Ingår i: Communications in Computer and Information Science Volume 1819 CCIS, Pages 253 - 267. - : Springer. - 1865-0929 .- 1865-0937. ; , s. 253-267
-
Konferensbidrag (refereegranskat)abstract
- As cities continue to grow, the desire to combine densification with sustainability and greenery may present a challenge to air quality, resulting from reduced ventilation caused by dense buildings and vegetation. To support the careful urban planning required, effective and interactive tools that can visualize and communicate information about air quality to stakeholders are essential. In a transdisciplinary research project aiming to explore such visualizations a prototype pedagogical virtual reality tool was developed, allowing users to explore the impact of aspects of the built environment upon urban air quality. The tool was evaluated with adolescents in upper secondary school through interviews and observations, as well as with the general public through a questionnaire study. This paper provides insights, potential solutions, and initial assessments relevant to data visualization in 3D and immersive analytics in urban planning and stakeholder communication. Identified challenges include difficulties with color association and data distinguishability, and as well as tool complexity relating to the many features requested by experts involved in a transdisciplinary project.
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| 38. |
|
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| 39. |
- Stephen, Jake, et al.
(författare)
-
Internal thermal environment and futureproofing of a newly built, naturally ventilated UK school
- 2020
-
Ingår i: IOP Conference Series: Earth and Environmental Science. - : IOP Publishing. - 1755-1307 .- 1755-1315. ; 588:3
-
Konferensbidrag (refereegranskat)abstract
- Research indicates that school children have lower comfort levels than adults and this exacerbates the challenge of tackling the risks of summer overheating in schools without resorting to air conditioning. UN SDG 13 calls for climate action to strengthen the resilience of our cities and reduce the impact of climate change. In this work, a modern, naturally ventilated school in Southampton, UK was used to evaluate single, "hard", passive retrofit measures and "soft", building management solutions that could increase the wellbeing of students and reduce current and future demand for cooling. The school was selected as it represents the current standardised design guidance for schools released in 2012 by the Department of Education (DfE). The research presents air temperature observations collected during the summer of 2015. Dynamic thermal modelling was undertaken to evaluate passive retrofit and "soft" solutions to reduce the overheating risk. The model was validated with temperature data collected from the school classrooms. The results indicate that (a) such school buildings have high likelihood of overheating, based on children's comfort temperatures and (b) passive retrofits focused on shading and ventilation could help to reduce the classroom temperature when required. It is recommended that "soft" adaptive solutions will prove effective to reduce future air conditioning demand, but this will require a radical change in established practices. Achieving the UN Sustainable Development Goals by 2030 will require to rethink and redesign urban living and city infrastructures.
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| 40. |
- Teli, Despoina, 1980, et al.
(författare)
-
Teaching the concept of adaptive thermal comfort in building design education
- 2020
-
Ingår i: 16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020.
-
Konferensbidrag (refereegranskat)abstract
- Traditional building design education in the disciplines of building services, civil engineering, mechanical engineering, etc. focusses on quantifiable factors, i.e. factors which can be subject of calculation, simulation and dimensioning. Since non-quantifiable factors are not part of calculation or simulation models, there is a tendency that they are not adequately considered in education and, as a result, in building planning and operation. In the case of human thermal comfort, building professionals are required to understand the mechanisms and impact of non-quantifiable factors related to human thermal comfort and health, most of which are part of the adaptive thermal comfort concept. This paper identifies the challenges in teaching the concept of adaptive thermal comfort through a collection of lived experiences of the authors. The paper then proposes appropriate intended learning outcomes and teaching methods to equip students with the background knowledge, understanding and skills required to consider human adaptation in their designs. It is widely accepted that integrated design is a precondition for a building design that functions well, offers sufficient comfort for their users and can be operated in a sustainable way. Integrated building design requires that different disciplines work closely together and understand and respect their different focus areas and languages. Herein the case of human thermal comfort requires engineers who understand the mechanisms and impact of non-quantifiable factors on human well-being indoors. Within the work of Annex 69: “Strategy and practice of adaptive thermal comfort in low energy buildings” we developed a framework and a guideline for adopting adaptive thermal comfort principles in design and operation of buildings, which may serve as a complementary tool in an integrated design process and inclusion of adaptive thermal comfort in education.
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| 41. |
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| 42. |
- Johansson, Mikael, 1975, et al.
(författare)
-
KAN VR FÖRBÄTTRA KUNSKAPSÅTERFÖRING FRÅN PRODUKTIONEN UNDER PROJEKTERING?
- 2021
-
Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Syftet med detta projekt har varit att studera och utvärdera hur ett VR (Virtual Reality)- gränssnitt till BIM-modellen kan användas för att bättre och mer effektivt involvera och ta tillvara på produktionspersonalens kunskap redan under projekteringsfasen. Enkelt sett har grundtanken varit att låta personal med erfarenhet från produktionen "identifiera/lösa/hantera problem virtuellt – INNAN de når byggarbetsplatsen". VR-tekniken har studerats och utvärderats på sex olika arbetsplatser/projekt där projektering och produktion har pågått parallellt. Som metod har intervjuer, enkätundersökning, samt observationer används. Resultatet från studien visar att det finns stora möjligheter med – och i viss mån också ett behov av – att låta personal från produktionen använda VR-teknik för granskning, planering, och arbetsberedning. Genom att involvera och ta tillvara på produktionspersonalens kunskap och insikter har flertalet problem eller mindre bra lösningar upptäckts och hanterats, innan dessa har nått det faktiska utförandet. I vissa fall har det rört sig om rena projekteringsmissar, medans det i andra fall har handlat om ändrad arbetsordning mellan discipliner, eller alternativa lösningar som passat framdriften bättre. När det gäller VR tekniken som sådan är det framförallt det faktum att modellen betraktas i skala 1:1 som lyfts fram och många kommentarer är kopplade till hur storlek, utrymmen, och detaljer, ges en helt annan förståelse och känsla för än när modellen granskas på vanlig skärm. Vidare visade det sig att möjligheten att vara flera användare i en och samma VR[1]modell, s.k. multi-user läge, hade väldigt positiva effekter på förståelse och kommunikation mellan deltagarna. Multi-user gör det dessutom möjligt för deltagarna att koppla upp sig från vitt skilda platser, vilket spås underlätta den här typen av möten med deltagare från både projektering och produktion. Sammantaget kan det konstateras att VR definitivt har möjlighet att förbättra kunskapsåterföring från produktionen under projektering. Studien ger många exempel på problem, utmaningar, och mindre bra lösningar som kan upptäckas – men även hur man kan hitta bättre och mer produktionsanpassade lösningar – och visar tydligt att VR[1]tekniken har ett värde och är mogen för att användas kontinuerligt i skarpa projekt. Dock finns det idag fortfarande hinder och utmaningar när det gäller att göra tekniken fullt tillgänglig för alla i ett projekt, och här spås en ny generation av fristående VR-headset att öppna upp för bättre möjligheter.
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| 43. |
- Borén, Thomas, 1967-, et al.
(författare)
-
Platser i Praktiken och Social Hållbarhet : Hökarängen och andra små centrumbildningar i fokus
- 2009
-
Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Stadsbyggnad och samhällsplanering är som framgår av förordet inget neutralt område utan en praktik och ett kunskapsområde med stora implikationer för människors vardagsliv liksom för samhället i stort. Det handlar om att få platser att fungera bra för dem som bor, arbetar eller på annat sätt är involverade i platsen, och där i sammanhanget ’fungera’ avser hela skalan från individens möjligheter till självförverkligande, till det för staden och samhället gemensamma bästa. Över tid förändrar sig förutsättningarna och platser som en gång formgivits i samklang med sin tid behöver i stadsbyggnadens och samhällsplaneringens praktik omtolkas och ges nya innebörder för att kunna leva upp till den nya tidens krav, utan att för den skull ge avkall på grundläggande överenskommelser i samhällskontraktet. Platser i praktiken kommer då att handla om social hållbarhet och om vilken typ av stad vi vill ha i vilken typ av samhälle. En komponent i detta handlar om livskraften i det lokala offentliga rummet och de villkor som gäller där oavsett om detta är beläget i stadens centrum eller i något av stadens ytterområden, där mycket av stadens liv levs. Det är detta lokala offentliga rum som den här rapporten ämnar bidra till att belysa.
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| 44. |
- Berggren, Krister, 1946-
(författare)
-
Byggnadens tekniska verkningssätt
- 1989
-
Ingår i: Kulturmiljövård. - Stockholm : Riksantikvarieämbetet. - 1100-4800. ; :3-4, s. 14-20
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- Krister Berggren, chef för den tekniska specialavdelningen vid företaget Jacobson & Widmark i Stockholm, presenterar här fem kompletterande budord för grundförstärkare: Du skall icke missbruka betong — tänk på jämviktsvillkoren, lyder orden bl a.
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| 45. |
- Bjur, Hans, 1944, et al.
(författare)
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Stadsbildens förändringar i Rom 1860-2010
- 2010
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Ingår i: Till Rom. Nordiska konstnärer i Rom under 150 år (redaktörer Ann-Katrin Pihl Atmer, Brita Carlens och Fredrik Lång. - : Carlssons förlag. - 9789173313674
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 46. |
- Kiamili, Christina, et al.
(författare)
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Detailed Assessment of Embodied Carbon of HVAC Systems for a New Office Building Based on BIM
- 2020
-
Ingår i: Sustainability. - : MDPI AG. - 2071-1050. ; 12:8
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Tidskriftsartikel (refereegranskat)abstract
- The global shift towards embodied carbon reduction in the building sector has indicated the need for a detailed analysis of environmental impacts across the whole lifecycle of buildings. The environmental impact of heating, ventilation, and air conditioning (HVAC) systems has rarely been studied in detail. Most of the published studies are based on assumptions and rule of thumb techniques. In this study, the requirements and methods to perform a detailed life cycle assessment (LCA) for HVAC systems based on building information modelling (BIM) are assessed and framed for the first time. The approach of linking external product data information to objects using visual programming language (VPL) is tested, and its benefits over the existing workflows are presented. The detailed BIM model of a newly built office building in Switzerland is used as a case study. In addition, detailed project documentation is used to ensure the plausibility of the calculated impact. The LCA results show that the embodied impact of the HVAC systems is three times higher than the targets provided by the Swiss Energy Efficiency Path (SIA 2040). Furthermore, it is shown that the embodied impact of HVAC systems lies in the range of 15–36% of the total embodied impact of office buildings. Nevertheless, further research and similar case studies are needed to provide a robust picture of the embodied environmental impact of HVAC systems. The results could contribute to setting stricter targets in line with the vision of decarbonization of the building sector.
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| 47. |
- Bournas, Iason, et al.
(författare)
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Energy renovation of an office building using a holistic design approach
- 2016
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Ingår i: Journal of Building Engineering. - : Elsevier BV. - 2352-7102. ; 7:September 2016, s. 194-206
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Tidskriftsartikel (refereegranskat)abstract
- This paper presents a holistic approach to perform energy renovations of office buildings. A real case study is used to demonstrate how different software can be used to facilitate the work of architects and engineers during different design stages. Initially, the moisture safety of the building is coupled to its energy performance to define the optimum insulation level. The new interior layout is based on an initial daylight study, rather than on architectural intuition. On a second stage, shading and natural ventilation are studied to eradicate any cooling demand, while the interdependence between heating energy and daylight is assessed for the use of light-wells. To demonstrate the trade-offs between visual control and electrical lighting, different shading systems are examined for a cellular office. Finally, two alternate HVAC systems are analyzed to investigate whether passive standards can be achieved with an all-air system and/or a hydronic system.
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| 48. |
- Femenias, Paula, 1966, et al.
(författare)
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Om-renovering: Möjligheter för energieffektivisering och återskapande av kulturvärden när flerbostadshus renoveras på nytt
- 2020
-
Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Projektet har undersökt möjligheterna att återskapa estetiska och historiska karaktärsdrag av flerbostadshus som blivit förändrade i samband med tidigare energisparprogram samtidigt som nya energieffektiviseringar kan genomföras, en process som vi valt att kalla för om-renovering. En om-renovering skapar möjligheter för energieffektivisering men också att uppnå mål om en god bebyggd och gestaltad livsmiljö. Projektet har studerat om-renovering ur ett helhetsperspektiv vilket inkluderat energibesparingar, arkitektur och kulturvärden, genomförbarhet samt sociala värden. Studien har fokuserat på flerbostadshus uppförda före 1946 i Göteborg. Flera metoder och angreppsätt har använts i fyra delstudier. En första delstudie var en inventering av ungefär en tredjedel av flerbostadshusen uppförda före 1946 i Göteborg. Målet var att undersöka hur husen har renoverats och deras status idag, med fokus på yttre synliga ändringar. Till inventeringen lades information från energideklarationer om energiprestanda vilket gjort det möjligt att undersöka samband mellan energiprestanda och renoveringar. Inventeringen visar att det är svårt att fastställa generella samband mellan tidigare renoveringar och energiprestanda med de sammanställda data. Slutsatsen är att inventeringar på fastighets- eller byggnadsnivå är nödvändiga för att ta rätt beslut vid nya energieffektiviseringar. I en andra delstudie gjordes fallstudier av fyra fastigheter med landshövdingehus, tre som omrenoverats och en som genomgått en första större renovering. Fallstudierna beskriver motiv för återställande av träfasader och ambitioner för energibesparingar. Det finns inga krav på återställande vid bygglov. De motiv som framkommer pekar istället på ekonomiska och estetiska drivkrafter för om-renoveringar. Energieffektivisering var bara ett uttalat mål i ett fall och energibesparingarna blev lägre än vad som krävs för att uppnå våra svenska energimål. Om-renoveringarna är en kompromiss mellan vad som uppfattats som estetiskt tilltalande och vad som varit ekonomiskt eller tekniskt genomförbart. Översyn från myndighetshåll av energieffektiviseringar och kulturvärden framstår som bristfällig. En tredje delstudie har studerat de boendes syn på kulturvärden i boendemiljön i tre av de ovan nämnda fallen. Studien visar ett statistiskt samband mellan trivsel och uppskattning av kulturvärden. De boende känner till sitt hus’ historia och uppskattar den. En del boende, särskilt de som bott länge på samma ställe, har en egen relation till husets och områdets historia. För andra, här representerat av flera yngre som bor i en äldre fastighet, är äktheten inte lika viktig vid ett återskapande som atmosfären. Slutligen, i en fjärde delstudie undersöktes energi- och klimatpåverkan från om-renoveringen i en av fallstudierna. Studien pekar på att återbetalningstiden för den inbyggda energi- och klimatpåverkan är strax under 25 år och därmed kortare än livslängden för material och komponenter som använts (om renoveringen antas ha en livslängd på 50 år). En jämförelse mellan en återställd träfasad och en fasad med moderna fibercementplattor är till träfasadens fördel ur ett klimatperspektiv men inte vad gäller inbyggd energi. Rapporten avslutas med rekommendationer för konsulter, fastighetsägare och handläggare på kommuner och andra myndigheter som arbetar med frågor kring om-renovering.
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| 49. |
- Sällström, Pehr-Mikael, Tekn. Lic. 1966-, et al.
(författare)
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Knowledge Exchange Sweden-China on sustainable architecture : Opportunities for mutual benefit and innovation in knowledge networks between Sweden and China within sustainable architecture and urban development.
- 2011
-
Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Sedan Kina 2005 bestämde sig för att satsa på en uthålligsamhällsutveckling baserad på ekosystemtänkande har intresset för samarbete med Sverige utvecklats mycket snabbt. Inte minst tack vare det systemkunnande och den forskningsbaserade kunskap som finns i Sverige, men även tack vare ett antal talande exempel som Hammarbysjöstad och Bo01. Sedan avtal slöts om samarbete inom utbildningoch forskning mellan Sverige och Kina 2004 har det etablerats 160 olika samarbetenmed svenska universitet, inte minst om arkitektur och planering. Det finns en rad forskningsfrågor som behöver belysas för att stärka de svenska arkitektföretagens marknad i Kina: systemutveckling, lagaroch regelverk, integrerade planeringsmetoder liksom utvärderingsmetoderav delaspekter likaväl som hela integrerade stadsdelar.
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| 50. |
- Curtis, Carey, et al.
(författare)
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Public Transport Accessibility Tools Matter: A case study of Gothenburg, Sweden
- 2019
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Ingår i: Case Studies on Transport Policy. - : Elsevier BV. - 2213-624X. ; 7:1, s. 96-107
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Tidskriftsartikel (refereegranskat)abstract
- Urban transport investment decision-making has relied on traditional modelling tools that forecast travel demand based on existing travel patterns. This approach has also underpinned decisions about future urban development. Latent travel demand is poorly understood, and this is particularly important given policy aspirations for the take-up of more sustainable transport modes such as public transport. Accessibility tools can make an important contribution to future development and investment decisions given this policy aspiration. In this paper, public transport supply is assessed using an accessibility tool and then compared to travel patterns. By assessing both public transport supply and travel demand through an accessibility lens we are able to gain insight into the latent demand for public transport. An innovative segmentation type approach is employed by comparing supply and demand and from this a typology is proposed as a framework for a more holistic public transport investment strategy. This takes into account public transport accessibility, travel demand of trip makers and their socio-economic situation, set in the context of the urban region.
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