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Simplified environm...
Simplified environmental analysis of the long-term performance of wood cladding and decking
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- Niklewski, Jonas (author)
- Lund University,Lunds universitet,Avdelningen för Konstruktionsteknik,Institutionen för bygg- och miljöteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Structural Engineering,Department of Building and Environmental Technology,Departments at LTH,Faculty of Engineering, LTH
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- Sandak, Jakub (author)
- University of Primorska,InnoRenew CoE
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- van Niekerk, Philip Bester (author)
- University of Göttingen
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- Brischke, Christian (author)
- Thünen Institute of Wood Research
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- Acquah, Richard (author)
- University of Primorska,InnoRenew CoE
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- Sandak, Anna (author)
- University of Primorska,InnoRenew CoE
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Nyrud, A. Q. (editor)
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Malo, K.A. (editor)
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(creator_code:org_t)
- 2023
- 2023
- English 9 s.
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In: 13th World Conference on Timber Engineering, WCTE 2023. - 9781713873273 - 9781713873297 ; 1, s. 549-557
- Related links:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.5...
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Abstract
Subject headings
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- The performance of timber in exposed environments is affected by several biotic and abiotic factors. For timber cladding and decking, two important aspects include reduced structural performance due to fungal decay and aesthetical changes resulting from superficial effects such as photodegradation and moulds. Predicting the long-term performance of timber is important because it enables rational material (species and treatment) and design (detailing) choices and reduce the risks of unexpected repairs and premature replacement of timber products. In this paper, we use available data on material performance in conjunction with environmental analysis to model, in a simplified way, (1) the time until onset of fungal decay and (2) the long-term aesthetical appearance of timber facades and decking. The results demonstrate how the analysis canbe used on a detailed geometry where wooden boards were modelled as separate objects and the choice of material affects the outcome. Several steps needing further development were identified, including a dose model linking microclimate to colour change and a better model for predicting moisture content. The study is part of a long-term effort to make holistic performance-based assessment of wood available for public use through easy-to-use procedures and accessible open-source software.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Husbyggnad (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Building Technologies (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Trävetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Wood Science (hsv//eng)
Keyword
- Aesthetics
- Durability
- Fungal decay
- Long-term performance
- Material database
- Wood
Publication and Content Type
- kon (subject category)
- ref (subject category)
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