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Carbon balances for a low energy apartment building with different structural frame materials
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology.
Linnaeus University, Faculty of Technology, Department of Building Technology.
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology.
2019 (English)In: Innovative Solutions for Energy Transitions: Proceedings of the 10th International Conference on Applied Energy (ICAE2018), Elsevier, 2019, Vol. 158, p. 4254-4261Conference paper, Published paper (Refereed)
Abstract [en]

We analyse the life cycle carbon implications of a building, with structural frame of prefabricated concrete, prefabricated modular timber or cross laminated timber (CLT) elements, designed to meet the Swedish passive house criteria. The analysis covers non-biogenic carbon flows related to the building alternatives, over an assumed life time of 80 years. The building alternatives are all modelled to have the same housing service and operation energy demand. Substitution factors, showing the efficiency of CO2 emissions reductions when wood alternatives are used instead of non-wood alternatives, are calculated for the CLT and modular alternatives with reference to the concrete alternative. The results show that the CLT and modular buildings give less carbon emissions to the atmosphere during production and when the buildings are demolished at the end-of-life. Moreover, the wood residues from the production and end-of-life activities for the timber alternatives far exceed that for the concrete alternative. The substitution factors differ slightly between the CLT and the modular alternatives, and are significantly lower when fossil gas is substituted by wood residues instead of fossil coal. In summary, the life cycle carbon emissions are significantly lower for the timber alternatives.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 158, p. 4254-4261
Series
Energy Procedia, E-ISSN 1876-6102 ; 158
National Category
Building Technologies Construction Management
Research subject
Technology (byts ev till Engineering), Civil engineering; Technology (byts ev till Engineering), Sustainable Built Environment
Identifiers
URN: urn:nbn:se:lnu:diva-81982DOI: 10.1016/j.egypro.2019.01.801ISI: 000471031704094Scopus ID: 2-s2.0-85063918532OAI: oai:DiVA.org:lnu-81982DiVA, id: diva2:1305152
Conference
10th International Conference on Applied Energy (ICAE2018), 22-25 August 2018, Hong Kong, China
Available from: 2019-04-15 Created: 2019-04-15 Last updated: 2019-08-29Bibliographically approved

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Tettey, Uniben Yao AyikoeDodoo, AmbroseGustavsson, Leif

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf