Comparing life cycle assessment modelling of linear vs. circular building components

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Abstract

As the construction industry consumes vast amounts of natural resources and in return produces large waste quantities, interest in circular economy has emerged as the means to reduce sector specific environmental impacts meanwhile ensuring continued economic growth. Life cycle assessment is a scientifically based and ISO standardized method for assessing resource consumptions and environmental impacts of products, systems or services over its entire life cycle and has been increasingly used in the construction industry and in some recently published circular economy studies. However, circular economy brings about 'rethinking' present well established building systems as well as the future life cycle scenario of these. Hence, this also means rethinking how life cycle assessments are performed on these building systems as it is suggested by some that life cycle assessment is a linear environmental impact assessment approach that misfits the circular economy idea of multiple product life cycles. The paper at hand aims at visually demonstrating variations in life cycle environmental impacts and material flows when supplying buildings with linear components compared to prospective circular designed building components for reuse and recycling and how they are modelled in life cycle assessments.
Original languageEnglish
Title of host publicationSBE19 Brussels - BAMB-CIRCPATH "Buildings as Material Banks - A Pathway For A Circular Future" 5–7 February 2019, Brussels, Belgium
Number of pages8
Volume225
PublisherIOP Publishing
Publication date2019
Edition1
Article number012039
DOIs
Publication statusPublished - 2019
EventCESB 07 PRAGUE  International Conference Central Europe towards Sustainable Building - Prag, Czech Republic
Duration: 24 Sep 200726 Sep 2007

Conference

ConferenceCESB 07 PRAGUE  International Conference Central Europe towards Sustainable Building
CountryCzech Republic
CityPrag
Period24/09/200726/09/2007
SeriesIOP Conference Series: Earth and Environmental Science
Volume225
ISSN1755-1307

Bibliographical note

SBE19 Brussels - BAMB-CIRCPATH "Buildings as Material Banks - A Pathway For A Circular Future"
5–7 February 2019, Brussels, Belgium

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