开切眼支护解除条件下围巷稳定性数值模拟  

Research on Numerical Simulation of Stability of Surrounding Roadway under Condition of Bolt-rope Support in Open-off Cut

作　　者：李强[1] 

机构地区：[1]中国矿业大学理学院,江苏徐州221116

出　　处：《煤矿安全》2010年第4期18-21,共4页Safety in Coal Mines

基　　金：国家自然科学基金重点资助项目(50634050);国家重点基础研究发展计划(973)资助项目(2007CB209400)

摘　　要：以漳村煤矿2302综采工作面为工程背景,利用FLAC数值模拟软件,对开切眼支护解除条件下围巷稳定性进行数值模拟研究,得到了切眼附近巷道的位移变化曲线及工作面动压超前和滞后影响范围。研究结果表明,开切眼支护解除有利于矿压管理,提高了煤矿的经济效益。Based on one working face,stability of surrounding roadway under condition of bolt-rope support in open-off cut was researched by dint of FLAC software. Displacement curve of surrounding roadway and incidence of dynamic pressure in working face were obtained. Based on above results,reliability of existent support manner of roadway is analyzed and repairing measure is given. Research results can offer referential data for confirming the project of observation of mining pressure and the breadth of coal pillar behind working face also.

关 键 词：支护解除 稳定性 数值模拟 

分 类 号：TD355.9[矿业工程—矿井建设]