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Article: Approach to establish carbon emission benchmarking for construction materials

TitleApproach to establish carbon emission benchmarking for construction materials
Authors
KeywordsBenchmarking
Carbon emissions
Carbon management
Construction materials
Fuzzy set theory
Issue Date2018
PublisherTaylor & Francis. The Journal's web site is located at https://www.tandfonline.com/loi/tcmt20
Citation
Carbon Management, 2018, v. 9 n. 6, p. 587-604 How to Cite?
AbstractThe construction industry will play a crucial rule in global carbon emission reduction as the embodied carbon of construction materials shares an increasing portion of a building’s life-cycle carbon dioxide (CO2) emissions. In order to reduce CO2 emissions by selecting low-carbon construction materials, it is inevitable that a proper benchmarking mechanism and severity representation of different emission levels should be established, as benchmarking is a useful tool for pursuing consumer purchasing habits toward selection of low-carbon materials. In addition, high variation of carbon emissions is observed among the large number of studies and databases, and there is no consensus on how these should be used in practice. Therefore, standardization and benchmarking of emissions for construction materials are essential. In this study, a novel benchmarking approach was developed for embodied carbon emissions of commonly used construction materials by applying a fuzzy set theory. Given that a reliable local database is lacking, the benchmark was developed by referring to the existing carbon inventories, linguistic variables of severity levels from a questionnaire survey, and the fuzzy set analysis. A six-step method was proposed based on a horizontal and graphical approach. This study offers an alternative approach in benchmarking where a database or a set of real data is not available. It is expected that the developed benchmarks will help practitioners and decision-makers compare the embodied CO2 emissions of a specific batch of construction materials and select low-carbon materials in construction projects.
Persistent Identifierhttp://hdl.handle.net/10722/267398
ISSN
2017 Impact Factor: 1.109
2015 SCImago Journal Rankings: 0.592
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChen, Y-
dc.contributor.authorNg, ST-
dc.contributor.authorHossain, MU-
dc.date.accessioned2019-02-18T09:01:11Z-
dc.date.available2019-02-18T09:01:11Z-
dc.date.issued2018-
dc.identifier.citationCarbon Management, 2018, v. 9 n. 6, p. 587-604-
dc.identifier.issn1758-3004-
dc.identifier.urihttp://hdl.handle.net/10722/267398-
dc.description.abstractThe construction industry will play a crucial rule in global carbon emission reduction as the embodied carbon of construction materials shares an increasing portion of a building’s life-cycle carbon dioxide (CO2) emissions. In order to reduce CO2 emissions by selecting low-carbon construction materials, it is inevitable that a proper benchmarking mechanism and severity representation of different emission levels should be established, as benchmarking is a useful tool for pursuing consumer purchasing habits toward selection of low-carbon materials. In addition, high variation of carbon emissions is observed among the large number of studies and databases, and there is no consensus on how these should be used in practice. Therefore, standardization and benchmarking of emissions for construction materials are essential. In this study, a novel benchmarking approach was developed for embodied carbon emissions of commonly used construction materials by applying a fuzzy set theory. Given that a reliable local database is lacking, the benchmark was developed by referring to the existing carbon inventories, linguistic variables of severity levels from a questionnaire survey, and the fuzzy set analysis. A six-step method was proposed based on a horizontal and graphical approach. This study offers an alternative approach in benchmarking where a database or a set of real data is not available. It is expected that the developed benchmarks will help practitioners and decision-makers compare the embodied CO2 emissions of a specific batch of construction materials and select low-carbon materials in construction projects.-
dc.languageeng-
dc.publisherTaylor & Francis. The Journal's web site is located at https://www.tandfonline.com/loi/tcmt20-
dc.relation.ispartofCarbon Management-
dc.subjectBenchmarking-
dc.subjectCarbon emissions-
dc.subjectCarbon management-
dc.subjectConstruction materials-
dc.subjectFuzzy set theory-
dc.titleApproach to establish carbon emission benchmarking for construction materials-
dc.typeArticle-
dc.identifier.emailNg, ST: tstng@hku.hk-
dc.identifier.emailHossain, MU: uzzal@hku.hk-
dc.identifier.authorityNg, ST=rp00158-
dc.identifier.authorityHossain, MU=rp02580-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1080/17583004.2018.1522094-
dc.identifier.scopuseid_2-s2.0-85060346671-
dc.identifier.hkuros296777-
dc.identifier.volume9-
dc.identifier.issue6-
dc.identifier.spage587-
dc.identifier.epage604-
dc.identifier.isiWOS:000459464600002-
dc.publisher.placeUnited Kingdom-

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