Integrated decision support for embodied impact assessment of circular and bio-based building components

2023-01-01
Kayaçetin, Nuri Cihan
Verdoodt, Stijn
Lefevre, Lode
Versele, Alexis
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The construction industry is accounted for one third of all waste generation in the European Union (EU) countries. The Interreg Circular Bio-Based Construction Industry (CBCI) project was conceived to explore the circular principles and bio-based materials for enhancing sustainability in construction industry. This study provides a new approach for decision support via a case study on early design phase of a demo terraced single family house; the living lab (LL) located in Ghent (Belgium). The decision support utilizes circularity tools and life cycle assessment (LCA) meth-odology. For this purpose, nine preliminary designs (PD) for the building envelope were assessed in a comparative study, which consists of three basic construction methods: masonry, light-weight steel and wood framing construction supplemented with bio-based materials. Environmental impact assessment was supported with the circularity tools focusing on the reuse and recyclability potential in the end-of-life (EoL) scenarios. The integration of LCA and circularity tools displayed that bio-based design PDs have an increased performance due to the avoided environmental impact through reuse and recycling in the EoL scenarios. As a result, a novel approach that in-tegrates circularity calculations with LCA methodology was provided to improve long-term impact analysis on circular buildings with more precision in end-of-life scenario development.
Life cycle assessment, Circularity tools, Bio-based materials, End-of-life scenarios, Decision-support, Circular and bio-based building components, LIFE-CYCLE ASSESSMENT, CONSTRUCTION, WASTE, LCA, STRATEGIES, MANAGEMENT, ECONOMY, SECTOR
https://hdl.handle.net/11511/102230
JOURNAL OF BUILDING ENGINEERING
Graduate School of Natural and Applied Sciences, Article

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Citation Formats
N. C. Kayaçetin, S. Verdoodt, L. Lefevre, and A. Versele, “Integrated decision support for embodied impact assessment of circular and bio-based building components,” JOURNAL OF BUILDING ENGINEERING, vol. 63, pp. 0–0, 2023, Accessed: 00, 2023. [Online]. Available: https://hdl.handle.net/11511/102230.
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