浅部煤层群采掘围岩应力分布规律研究  

Study on stress distribution law of surrounding rock in shallow coal seam group mining

作　　者：肖青 李南骏 XIAO Qing;LI Nan-jun(Zhangshuanglou Coal Mine,Jiangsu Xukuang Energy Co.,Ltd.,Xuzhou 221616,China)

机构地区：[1]江苏徐矿能源股份有限公司张双楼煤矿,江苏徐州221616

出　　处：《煤炭科技》2022年第1期60-63,69,共5页Coal Science & Technology Magazine

摘　　要：对于近距离煤层群,上煤层开采后底板的变形破坏和应力分布情况是影响下煤层回采巷道布置的关键因素。矿井浅部资源回收时,通过理论分析和数值模拟,对某矿9煤巷道在掘进过程中是否受到上位7煤回采工作面产生的超前支承应力和侧向支承应力的影响展开研究,对实现矿井安全开采和经济开采具有重要意义。For the close coal seam group,the deformation,failure and stress distribution of the floor after mining in the upper coal seam are the key factors affecting the layout of the mining roadway in the lower coal seam.During the recovery of shallow resources in the mine,through theoretical analysis and numerical simulation,this paper studied whether the 9 coal roadway in a mine is affected by the leading support stress and lateral support stress produced by the upper 7 coal mining face,which is of great significance to realize the safe and economic mining of the mine.

关 键 词：浅部煤层 开采扰动 围岩应力 

分 类 号：TD323[矿业工程—矿井建设]