Engineering application and carbon emission analysis of all-steel low-carbon support system of foundation pits

ZHONG Zheng; CHEN Jinjian; WANG Meihua

doi:10.11779/CJGE2024S20026

Volume 46 Issue S2

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Chinese Journal of Geotechnical Engineering > 2024 > 46(S2): 155-160. > DOI: 10.11779/CJGE2024S20026

ZHONG Zheng, CHEN Jinjian, WANG Meihua. Engineering application and carbon emission analysis of all-steel low-carbon support system of foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2024, 46(S2): 155-160. DOI: 10.11779/CJGE2024S20026

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Engineering application and carbon emission analysis of all-steel low-carbon support system of foundation pits

1.
Shanghai Construction Group Co., Ltd., Shanghai 200080, China
2.
School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

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Received Date: June 20, 2024

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Abstract

Abstract

Based on the life cycle theory of carbon emission of deep foundation pit engineering, a green technology demonstration building project in Shanghai is taken as the background, and the carbon emissions of the foundation pit during life cycle of the all-steel low-carbon support scheme composed of PC method combined steel pipe pile enclosure and prestressed steel composite support and the conventional concrete support scheme are quantitatively calculates and compared. The research results show that the total carbon emissions of the foundation pit during life cycle of the all-steel support system is 21% of that of the concrete support system. The carbon emissions of the all-steel support system can be further reduced by increasing the number of reuses, selecting low-energy consumption machinery, and shortening the transportation distance, etc.

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