Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects

Detalhes bibliográficos
Autor(a) principal: Yu, Yong
Data de Publicação: 2023
Outros Autores: Pacheco-Torgal, F., Zhao, Xin-Yu, Wang, Xiao-Lu
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: https://hdl.handle.net/1822/85945
Resumo: The LCA models supporting the findings of this study are available from the corresponding author by reasonable request.
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spelling Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejectsRecycled aggregate concreteprecast rejectsEmissions allocationcasting methodsfly ashhigh-temperature curingEngenharia e Tecnologia::Engenharia CivilProdução e consumo sustentáveisThe LCA models supporting the findings of this study are available from the corresponding author by reasonable request.The in-plant use of recycled aggregate concrete derived from precast rejects (termed PRAC herein) can promote a circular economy in the precast industry. However, the environmental implications associated with this practice remain poorly understood. A refined life cycle assessment (LCA) model was therefore developed to highlight the environmental benefits of using PRAC compared to natural aggregate concrete and conventional recycled aggregate concrete. Some key factors influencing PRAC’s environmental performance were also examined. The results indicate that PRAC exhibits around 15% lower energy consumption and carbon dioxide emissions compared to other recycled materials. This reduction is attributed to the favourable quality of PRAC and the elimination of long-distance transport. However, emissions allocation and raw material prices play significant roles in determining the overall environmental impact of PRAC. The equivalent mortar volume mixing method is best suited for PRAC production, as it saves energy, reduces emissions, and maintains similar mechanical properties. Nevertheless, the high-temperature curing, which is often necessary in a precast factory setting, can be energy-intensive and thus diminishes the eco-friendliness of PRAC. Overall, the findings support the use of precast rework as recycled aggregate for cleaner production in the precast industryThe authors would like to acknowledge the research grants from China’s Natural Science Foundation (51978280, 52008108), Guangdong Basic and Applied Basic Research Foundation (2019A1515110481, 2019A1515110050) and Guangdong Provincial Key Laboratory of Modern Civil Engineering Technology (2021B1212040003).Taylor & FrancisUniversidade do MinhoYu, YongPacheco-Torgal, F.Zhao, Xin-YuWang, Xiao-Lu20232023-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/1822/85945engYong Yu, Fernando Pacheco-Torgal, Xin-Yu Zhao & Xiao-Lu Wang (2023) Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects, European Journal of Environmental and Civil Engineering, DOI: 10.1080/19648189.2023.22408821964-81892116-721410.1080/19648189.2023.2240882https://www.tandfonline.com/doi/full/10.1080/19648189.2023.2240882info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-02-10T01:19:24Zoai:repositorium.sdum.uminho.pt:1822/85945Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:26:16.925086Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects
title Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects
spellingShingle Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects
Yu, Yong
Recycled aggregate concrete
precast rejects
Emissions allocation
casting methods
fly ash
high-temperature curing
Engenharia e Tecnologia::Engenharia Civil
Produção e consumo sustentáveis
title_short Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects
title_full Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects
title_fullStr Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects
title_full_unstemmed Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects
title_sort Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects
author Yu, Yong
author_facet Yu, Yong
Pacheco-Torgal, F.
Zhao, Xin-Yu
Wang, Xiao-Lu
author_role author
author2 Pacheco-Torgal, F.
Zhao, Xin-Yu
Wang, Xiao-Lu
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Yu, Yong
Pacheco-Torgal, F.
Zhao, Xin-Yu
Wang, Xiao-Lu
dc.subject.por.fl_str_mv Recycled aggregate concrete
precast rejects
Emissions allocation
casting methods
fly ash
high-temperature curing
Engenharia e Tecnologia::Engenharia Civil
Produção e consumo sustentáveis
topic Recycled aggregate concrete
precast rejects
Emissions allocation
casting methods
fly ash
high-temperature curing
Engenharia e Tecnologia::Engenharia Civil
Produção e consumo sustentáveis
description The LCA models supporting the findings of this study are available from the corresponding author by reasonable request.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://hdl.handle.net/1822/85945
url https://hdl.handle.net/1822/85945
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Yong Yu, Fernando Pacheco-Torgal, Xin-Yu Zhao & Xiao-Lu Wang (2023) Cleaner production of the precast concrete industry: comparative life cycle analysis of concrete using recycled aggregates from crushed precast rejects, European Journal of Environmental and Civil Engineering, DOI: 10.1080/19648189.2023.2240882
1964-8189
2116-7214
10.1080/19648189.2023.2240882
https://www.tandfonline.com/doi/full/10.1080/19648189.2023.2240882
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Taylor & Francis
publisher.none.fl_str_mv Taylor & Francis
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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