首页|Life-Cycle Carbon Emissions(LCCE)of Buildings:Implications,Calculations,and Reductions

Life-Cycle Carbon Emissions(LCCE)of Buildings:Implications,Calculations,and Reductions

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The life-cycle assessment method,which originates from general products and services,has gradually come to be applied to investigations of the life-cycle carbon emissions(LCCE)of buildings.A literature review was conducted to clarify LCCE implications,calculations,and reductions in the context of build-ings.A total of 826 global building carbon emission calculation cases were obtained from 161 studies based on the framework of the building life-cycle stage division stipulated by ISO 21930 and the basic principles of the emission factor(EF)approach.The carbon emission calculation methods and results are discussed herein,based on the modules of production,construction,use,end-of-life,and supplemen-tary benefits.According to the hotspot distribution of a building's carbon emissions,carbon reduction strategies are classified into six groups for technical content and benefits analysis,including reducing the activity data pertaining to building materials and energy,reducing the carbon EFs of the building materials and energy,and exploiting the advantages of supplementary benefits.The research gaps and challenges in current building LCCE studies are summarized in terms of research goals and ideas,calcu-lation methods,basic parameters,and carbon reduction strategies;development suggestions are also proposed.

Building carbon emissionsEmbodied carbon emissionsOperational carbon emissionsSystem boundaryActivity dataCarbon emission factorLife-cycle assessmentCarbon reduction

Zujian Huang、Hao Zhou、Zhijian Miao、Hao Tang、Borong Lin、Weimin Zhuang

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School of Architecture,Tsinghua University,Beijing 100084,China

Key Laboratory of Eco Planning&Green Building,Ministry of Education,Tsinghua University,Beijing 100084,China

Institute for Urban Governance and Sustainable Development,Tsinghua University,Beijing 100084,China

Architectural Design and Research Institute of Tsinghua University,Beijing 100084,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaChina National Key Research and Development ProgramChina Postdoctoral Science FoundationNew Cornerstone Science Foundation through the XPLORER PRIZE

518258025213080352278020723741212018YFE01061002022M711815

2024

10.1016/j.eng.2023.08.019

工程(英文)

工程(英文)

CSTPCDEI
ISSN：2095-8099
年,卷(期)：2024.35(4)