ENVIRONMENTAL IMPACT EVALUATION OF RESIDUAL MUD FROM SUBWAY ENGINEERING

CHEN Kunyang; WANG Jiayuan; YU Bo; DUAN Huabo; WU Huanyu

doi:10.13205/j.hjgc.202202029

Volume 40 Issue 2

Apr. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(2): 191-198

CHEN Kunyang, WANG Jiayuan, YU Bo, DUAN Huabo, WU Huanyu. ENVIRONMENTAL IMPACT EVALUATION OF RESIDUAL MUD FROM SUBWAY ENGINEERING[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 191-198. doi: 10.13205/j.hjgc.202202029

Citation:

CHEN Kunyang, WANG Jiayuan, YU Bo, DUAN Huabo, WU Huanyu. ENVIRONMENTAL IMPACT EVALUATION OF RESIDUAL MUD FROM SUBWAY ENGINEERING[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 191-198. doi: 10.13205/j.hjgc.202202029

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ENVIRONMENTAL IMPACT EVALUATION OF RESIDUAL MUD FROM SUBWAY ENGINEERING

doi: 10.13205/j.hjgc.202202029

1. College of Civil and Transportation Engineering, Sino-Australia Joint Research Center in BIM and Smart Construction, Shenzhen University, Shenzhen 518061, China;
2. College of Civil and Transportation Engineering, Underground Polis Academy of Shenzhen University, Shenzhen University, Shenzhen 518061, China

Received Date: 2021-04-18
Available Online: 2022-04-02
Publish Date: 2022-04-02

Abstract

Abstract

A large amount of residual mud from subway engineering will have serious environmental impacts in the process of disposal. Accurately quantifying the environmental impacts of residual mud from subway engineering is the premise of effective management. In this study, firstly, the estimation method of the amount of land occupied by the residual mud landfill of the subway project was established. Secondly, based on field investigation, semi-structured interview and literature review, the life cycle carbon emission assessment method of residual mud from subway engineering was constructed. Finally, taking Shenzhen Metro Line 14 as an example, the amount of land occupied by landfill and its carbon emission in the whole life cycle were quantified. The results showed that: the land occupation area for landfill disposal of residual mud from Shenzhen Metro Line 14 was about 1.634 million m², which would generate a landfill cost of 40.85 million yuan; the total life cycle CO₂ emission of residual mud from Shenzhen metro line 14 was about 1.8 E+07 kgCO₂eq. The research results can provide a theoretical model and data reference for the government to scientifically formulate the management policy of the residual mud from subway engineering.
- residual mud from subway engineering,
- life cycle assessment,
- carbon emission,
- Shenzhen Metro Line 14

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References(35)

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