近距离煤层下分层工作面沿空留巷支护技术应用研究  

Study on the application of the support technology of the stratified working face along the drift roadway in close coal seam

作　　者：张建 ZHANG Jian(Huozhou Coal Power Group Luhe Coke Coal Co., Ltd. Huipo Bottom Coal Mine , Hong tong 041600 , China)

机构地区：[1]霍州煤电集团汾河焦煤股份有限公司回坡底煤矿

出　　处：《煤矿现代化》2019年第6期86-88,共3页Coal Mine Modernization

摘　　要：对于近距离煤层下行开采,下层煤巷道的围岩由于受到上层煤采动影响,不可避免的受到一定程度的损伤破坏,使围岩更为破碎,为了解决霍州煤电集团回坡底矿11#煤层11-101下分层工作面沿空留巷的应用问题,通过理论分析、数值模拟以及工程实践应用及观测,确定了合理的巷道维护方案,使得沿空巷道变形量得到有效的控制,满足工作面生产的需求,为该矿其他工作面沿空留巷的应用提供了参考。Downward for close coal mining, due to the lower coal roadway surrounding rock affected by mining the upper coal, inevitable by a certain degree of damage, make more broken surrounding rock, in order to solve the huo zhou coal group back to the bottom ore under the 11# coal seam 11-101 for layered working face along the application problem, by theoretical analysis, numerical simulation and engineering practice application and observation, the reasonable roadway maintenance plan, makes the empty to effectively control the deformation of roadway, and meet the needs of mining production, for the application of the mine working face along the empty left lane other provides reference.

关 键 词：近距离煤层 沿空留巷 数值模拟 高水速凝材料 

分 类 号：TD353[矿业工程—矿井建设]