Risk classification and optimization of town side slope in Lüliang Mountain

WANG Jiayun; BI Junbo; YANG Xudong; LI Yan'e; MA Hongna; LUO Jin

2020 Vol. 39, No. 12

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WANG Jiayun, BI Junbo, YANG Xudong, LI Yan'e, MA Hongna, LUO Jin. Risk classification and optimization of town side slope in Lüliang Mountain[J]. Geological Bulletin of China, 2020, 39(12): 2004-2012.

Citation:

WANG Jiayun, BI Junbo, YANG Xudong, LI Yan'e, MA Hongna, LUO Jin. Risk classification and optimization of town side slope in Lüliang Mountain[J]. Geological Bulletin of China, 2020, 39(12): 2004-2012.

Risk classification and optimization of town side slope in Lüliang Mountain

1.
Xi'an Center of China Geological Survey/Northwest China Center for Geoscience Innovation, Xi'an 710054, Shaanxi, China
2.
China Institute of Geo-Environment Monitoring, Beijing 100081, China
3.
Chang'an University, Xi'an 710054, Shaanxi, China

Received Date: 08 June 2020

Revised Date: 19 October 2020

Publish Date: 25 December 2020

Abstract

Abstract

The rapid development of urbanization in Lüliang Mountain brings about serious problems of latent geohazards with limit geological environmental capacity, which seriously hinders the sustainable development of urbanization in Lüliang Mountain.The risk classification is the first question to be solved with respect to safety of town side slopes, and then the risk prevention and control of geo-hazards of slopes could be carried out.Taking the urban area of Jixian County in Lüliang Mountain as a study case and based on the optimization of evaluation factors of risk classification system, risk investigation and grading of slopes in the urban area of Jixian County, the authors improved and determined grade standards of slope hazard and consequence with natural inflection point method mathematical statistics theory, and distinguished four grades, i.e., high level, middle level, low level and very low level.According to the grade standards, the risk classification standard of slopes in the urban area of Jixian County was set up, and then the risk level of slopes was judged, which included 22 high risk slopes, 84 middle risk slopes, 21 low risk slopes and 8 very low risk slopes.The method of risk classification of slopes in the urban area of Jixian County can provide risk prevention and control of geohazards of town side slopes, land-use planning and urbanization development in Lüliang Mountain with technical support.
- Lüliang Mountain /
- geohazards of town side slope /
- risk classification /
- Shanxi Province

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