Analyzing the characteristics and reason for the ground collapse hazard in Shenzhen

Shi Qiuhua; Wei Huilong; Tan Fei; Zhou Jinwen; Zhu Jianghuang

doi:10.19509/j.cnki.dzkq.2022.0056

Volume 41 Issue 2

Mar. 2022

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Shi Qiuhua, Wei Huilong, Tan Fei, Zhou Jinwen, Zhu Jianghuang. Analyzing the characteristics and reason for the ground collapse hazard in Shenzhen[J]. Bulletin of Geological Science and Technology, 2022, 41(2): 123-129. doi: 10.19509/j.cnki.dzkq.2022.0056

Citation:

Shi Qiuhua, Wei Huilong, Tan Fei, Zhou Jinwen, Zhu Jianghuang. Analyzing the characteristics and reason for the ground collapse hazard in Shenzhen[J]. Bulletin of Geological Science and Technology, 2022, 41(2): 123-129. doi: 10.19509/j.cnki.dzkq.2022.0056

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Analyzing the characteristics and reason for the ground collapse hazard in Shenzhen

doi: 10.19509/j.cnki.dzkq.2022.0056

Received Date: 10 May 2021

Abstract

Abstract

To ascertain the causes of ground collapse in Shenzhen and put forward prevention and control measures, this paper collects ground collapse accidents in Shenzhen between 2016 and 2020 and analyses the spatial and temporal distribution, hazard degree of ground collapse, and causes of ground collapse through field investigation, statistical data analysis and GIS spatial analysis. The results show that ground collapse disasters in Shenzhen are in a stage of continuous growth, most of which are small-scale ones, and most of which occur in the rainy season, especially from May to August. The disaster sites of ground collapse are mainly in Futian District, Luohu District and Guangming District, and the main sites of ground collapse are municipal roads and sidewalks. The main reason for ground collapse disasters is damage to water pipelines, damage to culverts, improper construction, rainwater erosion, settlement of soft soil, excessive vehicle loads and so on. Among them, water pipeline damage and improper construction are the main causes of ground collapse. The research results can provide some reference for the prevention and control of ground collapse in Shenzhen and other similar cities.
- ground collapse,
- spatial and temporal distribution,
- degree of harm,
- cause analysis,
- prevention and control measure

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References

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Analyzing the characteristics and reason for the ground collapse hazard in Shenzhen

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