Optimization of cross-sectional shape and support parameters of headgate in fully mechanized coal seam with large dip angle and close distanceChinese Full Text English Full Text (MT)

PAN Kun;JU Wenjun;WANG Junchao;JIA Housheng;HOU Biao;WANG Yinwei;ZHANG Zhiming;

Abstract: To solve the problem of asymmetric deformation and failure of surrounding rock in the headgate 31233 in Daichiba Coal Mine， the mechanism of surrounding rock deformation and failure in roadways with three cross-sectional shapes under close-distance mining of steeply inclined coal seams was studied through theoretical analysis， numerical simulation， and on-site monitoring. The results show that under the conditions of intense mining of steeply inclined coal seams， regardless of how the roadway cr... More

Keywords：

large dip angle; close distance coal seams; mining roadway; the shape of the roadway cross-section; roadway support;

Series：
(B) Chemistry/ Metallurgy/ Environment/ Mine Industry
Subject：
Mining Engineering
Classification Code：
TD353

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