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2002•Journal of Geological Hazards and Environment PreservationRequires access

STUDY ON THE SIMULATION, ASSESSMENT AND MANAGEMENT METHOD OF KARST COLLAPSE

Yu Li

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Abstract

Karst collapse, widely distributed in Guangxi, Guizhou, Hunan, Jiangxi, Yunnan etc. 23 provinces, is a main kind of geohazards in Karst regions of China. According to the investigation, 1 400 cases of karst collapses are reported in 300 cities or counties, and the total number of collapse pits is over 40 000. The Karst researchers are confronted with how to effectively reduce the influence of this kind of hazards. Based on the achievements of the research projects finished in the recent years, the paper introduces the simulation techniques, the risk assessment method by GIS, and the systematic analysis of new tendency of Karst collapse research.

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What this paper is about

Karst collapse, widely distributed in Guangxi, Guizhou, Hunan, Jiangxi, Yunnan etc. 23 provinces, is a main kind of geohazards in Karst regions of China. According to the investigation, 1 400 cases of karst collapses are reported in 300 cities or counties, and the total number of collapse pits is over 40 000. The Karst researchers are confronted with how to effectively reduce the influence of this kind of hazards. Based on the achievements of the research projects finished in the recent years, the paper introduces the simulation techniques, the risk assessment method by GIS, and the systematic analysis of new tendency of Karst collapse research.

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Available abstract

Karst collapse, widely distributed in Guangxi, Guizhou, Hunan, Jiangxi, Yunnan etc. 23 provinces, is a main kind of geohazards in Karst regions of China. According to the investigation, 1 400 cases of karst collapses are reported in 300 cities or counties, and the total number of collapse pits is over 40 000. The Karst researchers are confronted with how to effectively reduce the influence of this kind of hazards. Based on the achievements of the research projects finished in the recent years, the paper introduces the simulation techniques, the risk assessment method by GIS, and the systematic analysis of new tendency of Karst collapse research.

Key concepts: Karst, China, Mining engineering, Geography, Geologic hazards, Geology, Civil engineering, Forensic engineering

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