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CAVING LAND STABILITY APPRAISAL FOR THE DATONG COALMINE,HUAINAN CITY,ANHUI PROVINCE

LIN Bin,WANG Xiao-yong,HE Sheng-yong(Anhui Engineering Investigation Institute,Hefei,Anhui 230011,China)  
The Datong coalmine,Huainan City,Anhui Province has a mining history of around 100 years,leading to serious ground caving geological hazard,which combined with development of karst caving in the area,has greatly damaged geological environment and confined sustainable development of local socioeconomy.Based on analysis of development features of cavings in the Datong coalmine area,this paper evaluated the caving land stability,made stability zoning,then discussed the suitability of the land for construction,bearing significance to rational planning,seeking and innovating treatment methods,making use of the land resources and quickening comprehensive treatment with regard to caving land.
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