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Dissertations / Theses on the topic 'Technologies of building materials'

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1

Cohen, David H. "The adoption of innovative wood processing technologies in the building products industry." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54508.

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The strategic importance of the adoption of innovative processing technologies was analyzed for building products businesses. This study examined the two components of wood building products businesses: the structural panel industry and the softwood Iumber industry. To ensure that the relevance of adopting of innovative processing technologies was examined within an accurate contextual environment, additional important strategies and performance were also measured. A mail survey of the seventy-five largest North American producers of these two products provided the primary data necessary to i
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Manikanti, Murali Krishna. "Building Information Modelling for rehabilitation projects of historic buildings. A case study on building pathologies." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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The modern construction industry has undergone several changes since the introduction of Building information modelling (BIM). Mistakes that occur repeatedly and inevitably in the design and construction process could be controlled to a greater extent with the introduction of BIM. But using BIM for existing building has been a challenge. The usefulness of BIM is further challenged by features and interoperability issues with the lack of a user-friendly interface. Thus, many research opportunities when creating economical and automated BIM of existing buildings achieve a certain level of BIM ma
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Tettey, Uniben Yao Ayikoe. "Primary energy use of residential buildings : implications of materials, modelling and design approaches." Doctoral thesis, Linnéuniversitetet, Institutionen för byggd miljö och energiteknik (BET), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-61470.

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Buildings can play an essential role in the transition to a sustainable society. Different strategies, including improved energy efficiency in buildings, substitution of carbon intensive materials and fuels, efficient energy supply among others can be employed for this purpose. In this thesis, the implications of different insulation materials, modelling and design strategies on primary energy use of residential buildings are studied using life cycle and system perspective. Specifically, the effects of different insulation materials on production primary energy and CO2 emission of buildings wi
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Ibrahim, Josif, and Ahmad Kateesh. "Comparison of two different materials on frame systems with focus on life cycle analysis." Thesis, KTH, Byggteknik och design, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-278747.

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The structural engineer should not only be able to perform design calculations but also findmore efficient solutions for building parts. The purpose of this thesis is to redesign a concreteframe for a house (an apartment building) into a light frame with steel columns andcompartment walls, as well as perform a life cycle analysis for materials on both frames anddetermine the frame with the lowest environmental impact.The result shows that the lightweight frame with steel columns and compartment walls is amuch better choice for the environment as it stands only for 60 000 kg CO2e compared tocon
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Frojdén, Jonathan. "Betydelsen av brännbart och obrännbart material i ett brandförlopp : En jämförande studie." Thesis, Högskolan i Gävle, Energisystem och byggnadsteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-30141.

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I och med de ändringar som trädde i kraft 1993/94 då funktionskrav för konstruktioner infördes istället för de enskilda materialens egenskaper lade grunden till att det numer är möjligt att bygga byggnader som kräver en hög grad av brandskydd i trä och andra material baserade på brännbart material. Denna ändring innebar bland annat att nya och innovativa produkter hade chans att etablera sig på den svenska marknaden, såsom isolering tillverkad av returpapper och träfiber. I och med träets naturliga förmåga att till viss grad motstå brand, bland annat genom att bilda ett skyddande kolskikt, i k
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Смирнов, Василь Анатолійович, Василий Анатольевич Смирнов, Vasyl Anatoliiovych Smyrnov, et al. "Implementation of additive technologies for the complex development of buildings and structures by means of 3D printing." Thesis, Sumy State University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/66719.

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An uninterrupted movement towards the implementation of the basic principles of the 4th industrial revolution, well-known as “Industry 4.0” [1], requires an application of 3D printing to create buildings and structures that fundamentally changes our traditional viewpoint.
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Rask, Fredrik. "Life Cycle Assessment and comparison of the climate impact of structural members and floor systems constructed in concrete, steel and timber." Thesis, KTH, Byggnadsmaterial, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-256506.

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In this report the climate impact is determined for some basic structural elements made in steel,>mber and concrete. The aim is to compare the climate impact of these three building materials byquan>fying the emissions related to the produc>on and construc>on of some typical structures.The comparison comprise two parts, were one is the comparison of members in bending,compression and tension and the other part is the comparison of a couple of floor structures.The emissions are determined through a Life Cycle Assessment, LCA. The members are comparedwith respect to their load bearin
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Lennartsson, Erika, and Eleonor Johansson. "IMPLEMENTERING AV BIM VID MATERIALDOKUMENTATION : EN GRANSKNING AV MILJÖCERTIFIERINGS UTVECKLING." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Byggnadsteknik och belysningsvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-36576.

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Purpose: The study relies upon the development of green buildings due to an increased level of acknowledgement of environmental impacts, caused by the building industry. Building materials are one big factor that have a negative impact on the environment. Building Information Modeling (BIM) are constantly being developed in the construction industry because of unlimited technology. The purpose of this study is to see a digitalization of documentation of materials by using BIM, and what consequences this meets regarding coordination. Method: The study used three qualitative methods: literature
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Brodin, Sandra, and Kasper Moberg. "Återanvända och återvinna byggnadsmaterial : En undersökning av materialen trä och betong ur byggnadsstommen." Thesis, Högskolan i Gävle, Avdelningen för byggnadsteknik, energisystem och miljövetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-33391.

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I denna rapport undersöks återanvändnings- och återvinningspotentialen för stommaterial ur byggnader i Sverige. De två materialen som har undersökts är betong och trä. Rapporten innehåller en litteraturstudie över återanvändning och återvinning. En fallstudie har även utförts på två byggnader. Den första byggnaden är ett småhus med träkonstruktion. Den andra byggnaden är ett flerbostadshus med betongkonstruktion. Byggsektorn står för stora mängder utsläpp och har en stor påverkan på miljön. Av allt material som ligger på deponi står byggbranschen för ca 35 % av allt material. Ett alternativ fö
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Lundkvist, Grönberg Amanda. "Materialinventering av byggnader inför rivning." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-64256.

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Lindqvist, Moa, and Berglund Lisa Lindqvist. "Kartläggning av vad som krävs för att svenska byggföretag ska övergå till miljöbetong : En enkätundersökning." Thesis, Högskolan i Gävle, Avdelningen för byggnadsteknik, energisystem och miljövetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-33067.

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Today Portland cement based concrete is used in great extent in building construction, which is an environmental problem as cement production stands for 5-8 % of total global greenhouse gases.  A need for a more environmentally friendly concrete is growing. In a literature study it’s established that there is extensive research in the field of more environmentally friendly concrete, where the results proves that the environmentally friendly concrete shows as good, or better, properties than the concrete with Portland cement. Concrete is one of the most important construction materials and ther
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Lundgren, Mårtensson Linda, and Ioannou Stephanie Björkman. "Arbetsgång efter brand i en kulturhistorisk byggnad : Med fokus på återställandet av konstruktionen." Thesis, KTH, Byggteknik och design, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-259905.

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I aktuellt läge [2019] brister Sverige på att tillhandahålla förberedande planer för eventuella brandolyckor i byggnader med kulturhistoriskt värde. Brandolyckor på kulturminnesmärkta byggnader är inte frekventa och det saknas en standardiserad metod på hur återställandet kan hanteras efter en brandolycka på ett produktivt och hållbart sätt. Syftet med rapporten är att komma fram till en förenklad och mätbar standardiserad arbetsprocess genom att förbättra arbetet kring en brandolycka på kulturminnesmärkta byggnader, där förebyggande åtgärder, förbättringar under brandförloppet och återställan
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Lago, Simon, and Johan Höier. "Numerical Analysis of Point-Fixed Glass Balustrades." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-40394.

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The design approach is currently very diverse for glass. It differs greatly between European countries and there is not one definite method for the design of glass components. Research in this field has a potential for better design optimization and industry professionals express a limitation of tools and knowledge about glass structure design.The purpose of this study is to analyze glass balustrades with point-fixings and to test a structural verification approach using a Finite Element (FE) software. The theory provides insight of glass as a structural material, different interlayers used fo
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Zabala, Mejia Andres Oswaldo. "Developing a grading tool for sustainable design of structural systems in buildings." Thesis, Linköpings universitet, Industriell miljöteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-177388.

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Construction is known for consuming large quantities of raw materials and high amounts of energy. In 2018, the construction industry was responsible for 6% of global energy consumption, 11% of global CO2 emissions, and approximately 36% of the total waste in the European Union. These drawbacks are just a part of the gap between the construction sector and Sustainability, which can also be perceived as challenges to the industry and demands for new and innovative strategies to increase Sustainability. For example, recent efforts of EcoDesign on structural systems show a trend in the importance
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Paananen, Linnea, and Injonglan Gamm Burom. "En möjlighet till en hållbar byggbransch : Jämförelsestudie mellan stommaterialen KL-trä och prefabricerad betong." Thesis, KTH, Byggteknik och design, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-259934.

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Byggbranschen står idag för cirka 21 procent av Sveriges totala årliga utsläpp av växthusgaser. En stor utmaning är att kunna uppnå klimatlagens mål som innebär att Sverige inte ska ha några nettoutsläpp av växthusgaser i atmosfären de kommande decennierna. Samtidigt ökar behovet av fler bostäder i samband med en ökad befolkning. Betong är det material som dominerar dagens industriella byggande av flervåningshus och i samband med den tidigare svenska lagen som förbjöd träkonstruktioner med fler än två våningar är träbyggandet i Sverige inte lika etablerat i samma utsträckning som betongkonstru
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Gustafsson, Nathalie, and Ida Mattsson. "KL-trä som stommaterial : En analys av utvecklingsmöjligheter i projekteringsskedet för en ökad användning av KL-trä." Thesis, Jönköping University, JTH, Byggnadsteknik och belysningsvetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-53996.

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Syfte: Att bygga i ett högt tempo med hänsyn till Sveriges klimatmål är en utmaning och det krävs åtgärder i byggsektorn för att uppnå målen. Material som stål och betong har en energikrävande tillverkningsprocess och släpper ut en stor del av de totala växthusgaser som byggsektorn orsakar. Enligt forskning har tillverkningsprocessen för KL-trä en betydligt mindre påverkan på klimatet och anses som ett hållbart material i jämförelse med stål och betong. Rapporten syftar till att undersöka möjligheterna för en ökad användning av korslimmat trä (KL-trä) som stommaterial i Sverige. Metod: För att
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Ovchar, Mark. "Modern technologies in building." Thesis, Дніпропетровський національний університет залізничного транспорту ім. академіка В. Лазаряна, 2017. https://er.knutd.edu.ua/handle/123456789/9332.

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The article analyses the development of technologies used in construction. It is a short retrospective review of achievements in this sphere: from Great Pyramid of Giza to 3D printers’ usage for construction materials.<br>Стаття є аналізом розвитку технологій, що використовуються в будівництві. Це короткий ретроспективний огляд досягнень в цій області: від великої піраміди Гізи до використання 3D-принтерів для створення будівельних матеріалів.<br>Статья представляет собой анализ развития технологий, используемых в строительстве. Это короткий ретроспективный обзор достижений в этой области: от
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Misák, Petr. "Možnosti řízení a minimalizace rizik technologie výroby stavebních materiálů a výrobků pomocí fuzzy logiky a dalších nástrojů risk managementu." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-233814.

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The thesis proposes management options and risk minimizing in the field of building materials production technologies and related products using fuzzy logic and other risk management tools. The thesis indicates why some methodologies are not commonly used. The main purpose of this work (thesis) is to propose possible upgrades of standard methods in process capability and risk minimizing related to building materials and products. Markov analysis and fuzzy Markov chains are applied.
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Xiao, Naiyuan. "Energy-efficiency building envelope technologies." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-17697.

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In recent years, the excessive emission of greenhouse gas CO2, it causing globalwarming, already poses a serious threat to human survival. The problem catches theattention all over the world, and promoting the development of building energyefficiency. In order to the sustainable development of human beings, in 1992 theUnited Nations framework convention on climate change (UFCCC) organizationpublished the Kyoto protocol. In the Kyoto protocol, the European countriescommitted that during 2008 and 2012 they would reduce the amount of greenhouseemissions to 8% compare to 1990.[2] Building envelope
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Berglund, Andreas. "Production Development : Layout Project at Lundqvist Trävaru AB." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-77077.

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The purpose of the master thesis has been to examine the production system at the company Lundqvist Trävaru AB and use the gathered information to create a layout suggestion together with a couple of improvement ideas. The thesis is the final part of the Industrial Design Engineering programme at Luleå University of Technology (LTU). Lundqvist Trävaru AB is a manufacturing company that specializes in producing prefabricated building kits out of wood, but the insufficient size of their current factory located in the industrial area of Öjebyn on the outskirts of Piteå, have created a need to rel
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Azadi, Jafarabadi Sandra. "Trivsel hos elever i skolor : Baserat på utformning och stommaterial." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-96864.

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En skolbyggnad har alltid varit en allmän plats som representerat samhället och dess brukare genom dess höga kulturvärde. Idag finns det många olika stommaterial att använda för att bygga en skolbyggnad. År 2016 blev Sveriges första skola byggd i massivträ klar. Lärare är bland de viktigaste faktorerna för elevernas utveckling, men även miljön de befinner sig i påverkar deras inlärningsförmåga och välmående. Syftet med studien är att undersöka om skolornas val av stommaterial samt utformning påverkar elevernas trivsel. Syftet är även att kunna bidra med kunskap till b
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Thomas, Katie Lloyd. "Building materials : conceptualising materials via the architectural specification." Thesis, Middlesex University, 2010. http://eprints.mdx.ac.uk/6284/.

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The last few decades have seen unprecedented levels of change both in the production of building materials and in the ways they are deployed in building. Despite rigorous debates about materials in architecture from very different areas of theory and practice – ranging from the new materialists' critique of the concept of matter to ecological concerns with embodied energy and life cycle analysis of building materials – the extent to which these developments might demand more adequate conceptualisations of materials remains unexplored. The position this research takes is that building materials
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Shirvani, Armin, and Max Lin. "En fallstudie av två byggprojekt och två byggsystem : Jämförelse av miljöpåverkan och kostnad för material korslimmat trä kontra betong." Thesis, KTH, Byggteknik och design, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-301614.

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Införandet av byggnadsstadgan 1874 medförde ett förbud mot byggande av flerbostadshus i trä om högre än två våningar på grund av omfattande bränder. Detta hämmande utvecklingen av trä då de större företagen byggde flervåningshus högre än två våningar vilket ledde till byggande av annat material än trä. I dagsläget är byggnadsmaterialet betong det dominerande materialet inom byggbranschen, speciellt inom byggandet av flerbostadshus. De senaste 15 åren har andelen byggda flerbostadshus med en stomme av betong varierat mellan 80 och 91 procent. Byggnad- och fastighetsbranschen står idag för cirka
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Fransson, Mattias, and Mattias Jamtlien. "Slöseri i produktionsflödet: Analys av en platsgjuten betongvägg." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-79152.

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Höga byggkostnader och betydande bostadsbrist i Sverige visar att ett effektivare bostadsbyggande krävs. En reducering av slöseri i byggprocessen bidrar till en effektivisering av både tid och kostnad. För att öka förståelsen för vikten av effektivisering synliggör den här studien slöseri i produktionsflödet för en platsgjuten betongvägg i ett bostadsprojekt. Studien visar även var i produktionsflödet det finns förbättringsmöjligheter. Slöseriet synliggjordes genom en tidsstudie som visade på stor potential till förbättring i bostadsprojektets resursflöde, materialflöde och informationsflöde.
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吳楚儀 and Chor-yi Ng. "Radiation hazards of building materials." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1991. http://hub.hku.hk/bib/B3121051X.

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Lloyd, Owen. "Building materials : an installed composition." Thesis, Bath Spa University, 2015. http://researchspace.bathspa.ac.uk/6884/.

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This research project extends my creative work and unpacks my interest in the use of sonification and mapping as compositional strategies, both in my own practice and more broadly. The thesis reflects on the installed composition, 'Building Materials', synthesising a methodology for the creation of similar works by exploring research problems arising from its creation. The thesis considers the tension between the apparently objective process of mapping and the personal, intuitive, nature of creative practice. This tension establishes a space of uncertainty into which viewers can respond imagin
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Ng, Chor-yi. "Radiation hazards of building materials /." [Hong Kong] : University of Hong Kong, 1991. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13263286.

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Wentzel, Farrel Sidney. "Radon exhalation of building materials." University of the Western Cape, 2018. http://hdl.handle.net/11394/6787.

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>Magister Scientiae - MSc<br>Public concern about all radiation and radon exhalation from building materials has been highlighted recently. The purpose of this study is to address this public concern and to investigate the contribution of building materials to indoor radon levels. As in soil and rocks, radon gas is formed inside the building materials by decay of the parent nuclide 226Ra. It is not possible to determine the radon exhalation rate simply from the activity concentration of 226Ra, instead one must measure radon exhalation rates directly from the surface of the material. 22
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Ngan, Po-yuen Ricky. "Market entry and integration strategies for building products /." [Hong Kong] : University of Hong Kong, 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13731270.

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Jansson, Gustav. "Platforms in industrialised house-building." Doctoral thesis, Luleå tekniska universitet, Byggkonstruktion och -produktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18777.

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Demands for shorter lead times, customized buildings and high quality deliveries drive house-building firms to systematise work in their supply chains. A practice of reusing processes and technical solutions leads to the formation of platforms in industrialised house-building. Product platforms originate from industries employing a make-to-order strategy, where platforms are used to achieve efficient design and product development work. The house-building design phase, integrated in an engineer-to-order supply chain, has been identified as crucial for achieving an efficient production. In the
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Kleisath, Elizabeth. "Thiatriazines: Building Blocks Towards Molecular Materials." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35571.

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Post-functionalization of 3,5-bis(2-pyridyl)-4-hydro-1,2,4,6-thiatriazine (Py2TTAH) and its synthetic precursors have been explored through alkylation, arylation, and coordination. While alkylation was initially pursued at the central nitrogen atom of Py2TTAH, functionalization instead occurred on the sulfur atom. Consequently, the proclivity of the sulfur towards alkylation and arylation was studied. Neutral 3,5-bis(2-pyridyl)-S-methyl-1,2,4,6-thiatriazine (S-Me-Py2TTA) and 3,5-bis(2-pyridyl)-S-ethyl-1,2,4,6-thiatriazine were achieved via either anionic or cationic intermediates, and all isol
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Cooper, D. L. "An eco-profile of building materials." Thesis, Open University, 1996. http://oro.open.ac.uk/57615/.

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This research examines the environmental parameters associated with the production and delivery of building materials in the U.K. in 1991. Using primary data supplied from commercial sources, an eco-profile is produced for each material by calculating the gross inputs of energy and raw materials and gross outputs of solid waste, air and water emissions. The production sequences are traced from raw materials in the ground through to the final product and extend to include transport operations and the production and delivery of fuels and ancillary materials. The results are used to complete eco-
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Cooper, David L. "An eco-profile of building materials." N.p, 1997. http://ethos.bl.uk/.

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Livas, Charalampos. "Building extension through additional CLT storeys." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-82227.

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In the last decade, the use of cross-laminated timber (CLT) panels as load bearing elements have become a usual solution for buildings and structures with an upward trend internationally. This is because CLT has brilliant physical and mechanical properties and it is also an eco-friendly and renewable material. In addition, the prefabricated nature of the CLT panels in a controlled environment increases the overall building speed, reduces dramatically the erection time, and makes it an even more competitive structural material compared to more traditional ones like concrete and steel. Up until
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Wong, Yat-hang Felix. "Sustainable construction and health : developing a quantitative assessment tool /." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43085271.

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Oti, Jonathan E. "The development of unfired clay building materials for sustainable building construction." Thesis, University of South Wales, 2010. https://pure.southwales.ac.uk/en/studentthesis/the-development-of-unfired-clay-building-materials-for-sustainable-building-construction(ca64fe55-b35e-4d3f-a1a9-49308e1501c9).html.

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Currently there is a growing pressure on energy efficiency for new buildings in the UK and worldwide. This has arisen partly due to the increasing awareness of the public for sustainable building construction. In addition, there is pressure on building materials manufacturers, due to new government regulations and legislations that are targeting energy usage and carbon dioxide emissions in new buildings. This research work reports on unfired clay building materials (unfired clay bricks) technology for sustainable building construction. The technology aims at the reduction of the high energy in
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Chung, Kin-wah. "Plover cove dam building." Hong Kong : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?

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Pullen, Stephen. "Embodied energy of building materials in houses /." Title page, contents and abstract only, 1995. http://web4.library.adelaide.edu.au/theses/09SBLM/09sblmp982.pdf.

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Rouchier, Simon. "Hygorthermal performance assessment of damaged building materials." Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-00980172.

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An importantmatter in the field of building physics is the questioning of how wellbuildings sustain ageing, and how their overall efficiency evolves over their lifetime.Many causes for degradation are carried by moisture transfer through these porousmaterials. Indeed, infiltratedwatermay transport chemicals, altermechanical properties,and cause freeze thaw damage or mould development. It may also affect thermalproperties and energetic efficiency, as well as the health and comfort of the occupants.The understanding of how moisture transfer properties evolve during the lifespan ofbuildingmateria
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Lee, Koon-Yang. "Nanocellulose as building block for novel materials." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9299.

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This thesis describes the fabrication of novel green materials using nanocellulose as the building block. Bacterial cellulose (BC) was used as the nanocellulose predominantly in this work. BC is highly crystalline pure cellulose with an inherent fibre diameter in the nano-scale. A single BC nanofibre was found to possess a Young’s modulus of 114 GPa. All these properties are highly favourable for using BC as a nanofiller/reinforcement in green nanocomposite materials. In this work, the surface of BC was rendered hydrophobic by grafting organic acids with various aliphatic chain lengths. These
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Regmi, A. (Ankit). "Reflection measurement of building materials at microwaves." Master's thesis, University of Oulu, 2017. http://jultika.oulu.fi/Record/nbnfioulu-201701141092.

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Abstract. Radio waves interact differently with different materials. The knowledge of reflection and transmission characteristics of the electromagnetic waves through and from the building walls is the key in designing a radio propagation model. The dielectric properties of the material determine the behavior of reflection and transmission of the electromagnetic waves. Therefore, an oblique reflection model is implemented in this thesis to estimate the dielectric properties of various walls at frequency range of 0.7–7 GHz (6.3 GHz bandwidth). The measurement setup consists of a four-port vecto
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Humaish, Hussein Hafudh. "Thermal techniques for characterizing building insulation materials." Thesis, Amiens, 2016. http://www.theses.fr/2016AMIE0034/document.

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Cette thèse s'inscrit dans un objectif à long terme de déterminer in situ (et/ou en usage) les propriétés thermiques des matériaux isolants du bâtiment. Notre objectif est de réduire l'écart entre la mesure en laboratoire et la performance réelle des isolants dans les parois de bâtiments. Nous nous sommes fixés deux objectifs principaux au cours de cette étude: 1- Étudier la possibilité d'utiliser la sonde cylindre à choc thermique pour la mesure des caractéristiques thermiques des matériaux isolants du bâtiment. 2- Étudier le comportement thermique d'un isolant en usage en utilisant un montag
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Humaish, Hussein Hafudh. "Thermal techniques for characterizing building insulation materials." Electronic Thesis or Diss., Amiens, 2016. http://www.theses.fr/2016AMIE0034.

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Cette thèse s'inscrit dans un objectif à long terme de déterminer in situ (et/ou en usage) les propriétés thermiques des matériaux isolants du bâtiment. Notre objectif est de réduire l'écart entre la mesure en laboratoire et la performance réelle des isolants dans les parois de bâtiments. Nous nous sommes fixés deux objectifs principaux au cours de cette étude: 1- Étudier la possibilité d'utiliser la sonde cylindre à choc thermique pour la mesure des caractéristiques thermiques des matériaux isolants du bâtiment. 2- Étudier le comportement thermique d'un isolant en usage en utilisant un montag
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Mikulica, Karel. "Porovnání technických vlastností a technologií pokládky lehkých stavebních hmot pro podlahové konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227536.

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This graduation thesis is aimed to presentation heat isolation materials for the floor constructions. The experimental part is devoted physical - mechanical properties suggested very light concretes with the cement. The main part of the thesis is devoted to form of the transit and putting of the individual heat isolation materials. In the end are suggested structures of the floor constructions with the respect to their properties and price.
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Priebe, Torsten. "Building integrative enterprise knowledge portals with semantic Web technologies." Berlin : Aka, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2745741&prov=M&dok_var=1&dok_ext=htm.

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Abanda, Fonbeyin Henry. "Knowledge modelling of emerging technologies for sustainable building development." Thesis, Oxford Brookes University, 2011. https://radar.brookes.ac.uk/radar/items/d8e77b5c-04e1-4fdb-8fd5-1574deab180f/1/.

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In the quest for improved performance of buildings and mitigation of climate change, governments are encouraging the use of innovative sustainable building technologies. Consequently, there is now a large amount of information and knowledge on sustainable building technologies over the web. However, internet searches often overwhelm practitioners with millions of pages that they browse to identify suitable innovations to use on their projects. It has been widely acknowledged that the solution to this problem is the use of a machine-understandable language with rich semantics - the semantic web
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Streb, Fabian. "Novel materials for heat dissipation in semiconductor technologies." Eigenverlag, 2018. https://monarch.qucosa.de/id/qucosa%3A23536.

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Thermal management is a major bottleneck for the next-but-one generation of semiconductor devices, especially the performance of SiC and GaN devices is limited by heat dissipation. This thesis evaluates four new packaging concepts with regards to thermal management: Diamond based substrates, phase change materials, Cu-Graphene composite films and anisotropic heat dissipation. Anisotropic heat dissipation is shown to be the most auspicious concept. A metal-matrix composite baseplate for a high performance power module using annealed pyrolytic graphite is created and evaluated. The baseplate sho
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Aricci, G. "ELECTROCHEMICAL TECHNOLOGIES: ADVANCED ELECTRODE MATERIALS FOR ENVIRONMENTAL APPLICATION." Doctoral thesis, Università degli Studi di Milano, 2010. http://hdl.handle.net/2434/150133.

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An investigation on a new class on electrocatalytic materials for the electroreduction of organic halides is presented and discussed. The electrocatalysts are based on silver nanoparticles (Ag_NP and Ag_NC), ad hoc synthesised by two different synthetic path (Polyol assisted and Wet chemical reduction). The obtained nanoparticles are then supported on carbon black (pre-treated or untreated) (20% or 10% loading) for further characterisation and use. The electrocatalytic properties of the Ag_NP/carbon and Ag_NC/carbon composites towards the dehalogenation of halocompounds are tested by cyclic
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Ng, Chun-yuen Ronald. "Building Material Centre." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25948799.

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50

Eriksson, Andreas, and Gabriel Ågren. "Materialtester på KL-trä : Undersökning av KL-träets tryckkraftskapacitet och tryckhållfasthet samt teoretiska beräkningar och praktiska tester av en KL-trä bräda." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-85125.

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Belastningen vid tryck vinkelrätt mot fiberriktningen är ett problem vid höga träbyggnader med träregelstomme vid till exempel mötet mellan regel och syll. Ettmaterial som blivit alltmer populärt i Sverige är korslimmat trä, som benämns som KL-trä, där lameller korsvis limmas samman till en skiva. Experiment har tidigare utförts på materialet och det har visat att en bräda av KL-trä, som idag inte tillverkas, klarar ett högre stämpeltryck än en vanlig bräda av konstruktionsvirke, vilket skulle kunna vara en lösning på problemen vid tryck vinkelrätt fiberriktningen i höga träbyggnader. Syftet m
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