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Life Cycle Assessment of Different Prefabricated Rates for Building Construction
Wuhan Engn Consulting Bur, Wuhan 430014, Peoples R China..
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering. KTH Royal Inst Technol Stockholm, Sch Architecture & Built Environm, Dept Sustainable Dev Environm Sci & Engn SEED, Teknikringen 10B, S-10044 Stockholm, Sweden..ORCID iD: 0000-0002-2459-0311
2021 (English)In: Buildings, E-ISSN 2075-5309, Vol. 11, no 11, article id 552Article in journal (Refereed) Published
Abstract [en]

In recent years, Sweden has promoted prefabricated buildings supporting the increasing of prefabricated rates in buildings with precast components, in order to reduce the environmental problems caused by the construction sector. This study, focusing on the construction activities, examines how the increasing prefabricated rate could influence the environmental impacts of the construction sector. This study conducts a cradle-to-gate life cycle assessment (LCA) of a reference building with a prefabricated rate of 26% in the Stockholm Royal Seaport, and compares nine scenarios with prefabricated rates, ranging from 6% to 96%. The results indicate the water footprint decreases, but the total energy footprint and carbon footprint increase as the prefabricated rate increases. Among other impacts, terrestrial ecotoxicity shows the biggest increase with an increase of the prefabricated rate. This study reveals that material extraction is the largest influencing factor, causing a water footprint when the prefabricated rate increases. The impact changes in the energy footprint, carbon footprint, and terrestrial ecotoxicity, and are primarily determined by transport and are sensitive to transport distance and vehicle types.

Place, publisher, year, edition, pages
MDPI AG , 2021. Vol. 11, no 11, article id 552
Keywords [en]
life cycle assessment, cradle-to-gate LCA, prefabricated buildings, prefabricated rate, building environmental impacts
National Category
Other Environmental Engineering
Identifiers
URN: urn:nbn:se:kth:diva-306439DOI: 10.3390/buildings11110552ISI: 000725526000001Scopus ID: 2-s2.0-85119920098OAI: oai:DiVA.org:kth-306439DiVA, id: diva2:1621203
Note

QC 20211217

Available from: 2021-12-17 Created: 2021-12-17 Last updated: 2024-01-17Bibliographically approved

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Sinha, Rajib

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CiteExportLink to record
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