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材料导报  2024, Vol. 38 Issue (23): 23070172-7    https://doi.org/10.11896/cldb.23070172
  无机非金属及其复合材料 |
基于LCA理论的装配式高延性再生微粉混凝土结构碳排放研究
于晓涵1,2, 李秀领1,2,*, 马锐1,2, 孙昊东1,2, 苏振鹏1,2
1 山东建筑大学土木工程学院,济南 250101
2 山东建筑大学建筑结构加固改造与地下空间工程教育部重点实验室,济南 250101
Study on Carbon Emission of Assembled High Ductility Recycled Powder Concrete Structure Based on LCA Theory
YU Xiaohan1,2, LI Xiuling1,2,*, MA Rui1,2, SUN Haodong1,2, SU Zhenpeng1,2
1 School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China
2 Key Laboratory of Building Structure Reinforcement and Underground Space Engineering, Ministry of Education, Shandong Jianzhu University, Jinan 250101, China
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摘要 装配式建筑碳排放与新型绿色建材环境影响评估是研究建筑业减碳路径的重要内容。本工作基于全生命周期评价(Life Cycle Assessment,LCA)理论构建含再生循环过程的装配式建筑碳排放计算模型,提出了符合绿色建材生产方式的环境影响评估公式,并运用排放因子法定量计算高延性再生微粉混凝土(High Ductility Recycled Powder Concrete,HDRPC)结构物化阶段的碳排放以及相较于C30混凝土结构全生命周期的减碳量。经计算得出1 m3的HDRPC与C30混凝土碳排放强度分别为0.104 kgCO2e/(MPa·a)和0.193 kgCO2e/(MPa·a),证明了应用HDRPC相较于C30混凝土具有更好的环境效益;当HDRPC回收率取零时,基于核算案例的HDRPC结构仍可比C30混凝土结构节约31.86 kgCO2e。
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于晓涵
李秀领
马锐
孙昊东
苏振鹏
关键词:  装配式建筑  高延性再生微粉混凝土(HDRPC)  碳排放  全生命周期评价(LCA)    
Abstract: The carbon emission of prefabricated buildings and the environmental impact assessment of new green building materials are important aspects of studying the carbon reduction path of the construction industry. Based on the life cycle assessment (LCA) theory, this work constructed a carbon emission calculation model of prefabricated building with regeneration cycle process, and put forward an environmental impact assessment formula conforming to the production mode of green building materials. The emission factor method was used to quantitatively calculate the carbon emission of high ductility recycled powder concrete (HDRPC) structure in the materialization stage, and its carbon reduction in life cycle compared to a C30 concrete structure. Calculated results showed that the carbon emission intensity of 1 m3 HDRPC and C30 concrete was 0.104 kgCO2e/(MPa·a) and 0.193 kgCO2e/(MPa·a), respectively, which proved that the application of HDRPC has better environmental benefits than C30 concrete. Even when the HDRPC recovery rate was zero, the HDRPC structure in this case could still save 31.86 kgCO2e compared to the C30 concrete structure.
Key words:  prefabricated building    high ductility recycled powder concrete (HDRPC)    carbon emissions    life cycle assessment (LCA)
出版日期:  2024-12-10      发布日期:  2024-12-10
ZTFLH:  TU375.4  
基金资助: 国家自然科学基金面上项目(52278507);山东省自然科学基金(ZR2020ME245);山东省重点研发计划(重大科技创新工程)(2021CXGC011204)
通讯作者:  * 李秀领,山东建筑大学土木工程学院教授、博士研究生导师。2000年烟台大学大学建筑工程专业本科毕业,2003年中国地震局工程力学研究所防灾减灾工程及防护工程专业硕士毕业,2006年大连理工大学大学防灾减灾工程及防护工程专业博士毕业后到山东建筑大学工作至今。目前主要绿色高性能建筑材料等方面的研究工作。发表论文80余篇,包括Engineering Structures,Journal of Cleaner Production,Construction and Building Materials,Case Studies in Construction Materials等。Mdlutiem@163.com   
作者简介:  于晓涵,2021年7月于山东交通学院获得工学学士学位。现为山东建筑大学土木工程学院研究生,在李秀领教授的指导下进行研究。目前主要研究领域为再生混凝土研究。2023年获专利授权2项。
引用本文:    
于晓涵, 李秀领, 马锐, 孙昊东, 苏振鹏. 基于LCA理论的装配式高延性再生微粉混凝土结构碳排放研究[J]. 材料导报, 2024, 38(23): 23070172-7.
YU Xiaohan, LI Xiuling, MA Rui, SUN Haodong, SU Zhenpeng. Study on Carbon Emission of Assembled High Ductility Recycled Powder Concrete Structure Based on LCA Theory. Materials Reports, 2024, 38(23): 23070172-7.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.23070172  或          http://www.mater-rep.com/CN/Y2024/V38/I23/23070172
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