Environmental Risk Source Analysis and Classification of Zones: Subway Construction

Author:

Yuan Yangchun12,Qin Yongjun12ORCID,Zhang Yongkang3,Xie Liangfu12,Meng Xin1,Guo Zheyi1

Affiliation:

1. School of Civil Engineering and Architecture, Xinjiang University, Urumqi 830047, China

2. Xinjiang Civil Engineering Technology Research Center, Urumqi 830016, China

3. CCFEB Civil Engineering Co., Ltd., Changsha 410004, China

Abstract

Examining the environmental risk sources of regional subway construction is crucial for ensuring construction safety and providing guidance for future subway line planning. This study focused on Urumqi’s main urban area and used SBAS-InSAR analysis technology to extract the settlement rate field within 600 m of Urumqi Metro Line 1 and investigate these risk sources. Results showed that the environmental risk sources affecting subway construction in the study area could be classified into four categories: geological conditions, distribution of high-rise buildings, density of road networks, and density of clustered buildings. The study further analyzed the spatial distribution of each risk source and developed a comprehensive impact zoning evaluation model for environmental risk sources in the study area. The model was then used to assess the risk of the currently planned subway lines (1–7), revealing that the largest area of subway construction environmental risk sources (1444 partitions) was associated with soil layer, IV high-rise building risk, IV road network risk, and IV building density risk. Additionally, the study found that environmental risk sources had the most significant impact on Metro Line 6, emphasizing the importance of closely monitoring risk factors during future construction.

Funder

Natural Science Foundation of Xinjiang Province

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science

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