Upcycling and Design for Disassembly – LCA of buildings employing circular design strategies

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Abstrakt

Within the ReSOLVE framework, the concept of 'Looping' materials in an efficient way is a crucial theme to ensure environmental sustainability of circular economy. This paper investigates how current calculation practice of building LCA from the EN 15804/15978 standards affects the global warming potential (GWP) of building designs where material loops have been in focus. In this study, we calculate the environmental potentials of circular building design based on two cases; 1) a building constructed from primarily upcycled materials, and 2) a building constructed with principles of design for disassembly (DfD). Results from the two cases point to the significance of the EN standards' allocation approach in which a system's use of recycling/reuse is merited, rather than meriting a system providing recyclable/reusable materials. Hence, the upcycling strategy results in lower GWP, especially from the production stage, whereas the DfD strategy does not realize an environmental advantage within the framework of the EN standards. Results further shows that even though concrete elements are notable components of the DfD building, developing DfD-solutions for these exact elements might not be the preferred focus for optimizing the environmental benefits provided by the building. Instead, DfD focus could be on shorter-lived elements of high benefit potentials.
OriginalsprogEngelsk
TitelSBE19 Brussels - BAMB-CIRCPATH "Buildings as Material Banks - A Pathway For A Circular Future" 5–7 February 2019, Brussels, Belgium
Antal sider8
ForlagIOP Publishing
Publikationsdato2019
Udgave1
Artikelnummer012040
DOI
StatusUdgivet - 2019
BegivenhedSBE19 - Sustainable Built Environment Conference: Buildings as Material Banks - A Pathway For A Circular Future - Brussels, Belgien
Varighed: 5 feb. 20197 feb. 2019
Konferencens nummer: SBE 19
http://www.sbe-series.org/sbe18-19-conferences/bamb-brussels-sbe19/

Konference

KonferenceSBE19 - Sustainable Built Environment Conference
NummerSBE 19
LandBelgien
ByBrussels
Periode05/02/201907/02/2019
Internetadresse
NavnIOP Conference Series: Earth and Environmental Science
Vol/bind225
ISSN1755-1307

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