Research on Carbon Emissions of Production Processes in the Production Stage of Steel Structure Prefabricated Products

ZHANG Xiangyong; CHEN Huazhou; LI Renge; LI Yi; CHEN Zhenming; LI Jingshu; CAO Hongtao; LIN Borong; ZHOU Hao; HUANG Zujian

doi:10.3724/j.gyjzG24042902

Volume 54 Issue 8

Aug. 2024

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2024 > 54(8): 140-148

ZHANG Xiangyong, CHEN Huazhou, LI Renge, LI Yi, CHEN Zhenming, LI Jingshu, CAO Hongtao, LIN Borong, ZHOU Hao, HUANG Zujian. Research on Carbon Emissions of Production Processes in the Production Stage of Steel Structure Prefabricated Products[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(8): 140-148. doi: 10.3724/j.gyjzG24042902

Citation:

ZHANG Xiangyong, CHEN Huazhou, LI Renge, LI Yi, CHEN Zhenming, LI Jingshu, CAO Hongtao, LIN Borong, ZHOU Hao, HUANG Zujian. Research on Carbon Emissions of Production Processes in the Production Stage of Steel Structure Prefabricated Products[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(8): 140-148. doi: 10.3724/j.gyjzG24042902

Citation:

ZHANG Xiangyong, CHEN Huazhou, LI Renge, LI Yi, CHEN Zhenming, LI Jingshu, CAO Hongtao, LIN Borong, ZHOU Hao, HUANG Zujian. Research on Carbon Emissions of Production Processes in the Production Stage of Steel Structure Prefabricated Products[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(8): 140-148. doi: 10.3724/j.gyjzG24042902

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Research on Carbon Emissions of Production Processes in the Production Stage of Steel Structure Prefabricated Products

doi: 10.3724/j.gyjzG24042902

1. China Construction Science and Industry Co., Ltd., Beijing 100089, China;
2. China Construction Steel Structure Engineering Corp. Ltd., Shenzhen 518118, China;
3. School of Architecture, Tsinghua University, Beijing 100084, China;
4. State Key Laboratory of Subtropical Building and Urban Science, South China University of Technology, Guangzhou 510640, China

Received Date: 2024-04-29
Available Online: 2024-09-19

Abstract

Abstract

The building components of steel structures are prefabricated in factories. This stage is between the upstream crude steel production and downstream building on-site construction, and it lacks basic research on carbon emissions. Existing studies are mostly based on the input-output method to derive an average carbon emission factor for per ton of steel, which ignores the differences between different steel products and cannot reveal the sources of carbon emissions. This study was carried out at a steel fabrication plant in Tianjin with an annual capacity of 160 000 tons. Representative machines were selected for the main processes of steel components fabrication to test the amount of carbon emissions generated by each process. A linear function was used to fit the relation between the functional unit (FU) processing work and the corresponding carbon emissions. It showed that for the cutting, pre-assembly, assembly, and straightening processes, the coefficients of determination (R²) of the obtained fitting functions were all greater than 0.9 when the area of cut surface, length of component, quality of weld seam, and length of component were used as FU, respectively.
- steel structure building,
- steel component,
- prefabricated,
- functional unit,
- electricity consumption,
- welding wire,
- carbon dioxide,
- carbon emission factor

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References(20)

References

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