Dynamic Evolution Prediction of Surface Subsidence Ponding Caused by Multi-layers Coal Mining in the High Groundwater Level Area

Metal Mine ›› 2017, Vol. 46 ›› Issue (10): 39-42.

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Dynamic Evolution Prediction of Surface Subsidence Ponding Caused by Multi-layers Coal Mining in the High Groundwater Level Area

Gao Xuguang¹，Liu Hui^2,3,4

1.School of Civil Engineering,Anhui Jianzhu University,Hefei 230601,China；2.School of Resources and Environmental Engineering,Anhui University,Hefei 230601,China；3.Collaborative Innovation Center for Mines Environmental Remediation and Wetland Ecological Security,Hefei 230601,China；4.School of Mining and Geomatics,Hebei University of Engineering,Handan 056038,China

Online:2017-10-15 Published:2017-10-15

Abstract

Abstract: Some distinct characteristics of mining subsidence caused by multi-layers coal mining under thick alluvial is analyzed.The distribution prediction method of the surface mining subsidence ponding is proposed by combing the mining subsidence prediction with initial terrain,and the mining subsidence software is developed.The spatial and temporal evolution of mining subsidence ponding caused by multi-layers coal mining in Panji Mine in Huainan City is discussed.The relationship between the the distribution of the surface mining area,shallow ponding and deep ponding between mining process is studied.The above analysis results in this paper is good to improve the prediction precise of mining subsidence.

Key words: Mining subsidence, Probability integration method, Multi-layers coal mining, High groundwater level

GAO Xu-Guang, LIU Hui. Dynamic Evolution Prediction of Surface Subsidence Ponding Caused by Multi-layers Coal Mining in the High Groundwater Level Area[J]. Metal Mine, 2017, 46(10): 39-42.

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