摘要
分析了煤柱工作面顶板岩层运动的特点及支承压力分布情况,总结了梨树煤矿防治煤柱工作面顶板事故的方法,具有一定的借鉴意义。
The characteristics of strata movement at coal pillar working face roof and abutment pressure distributed circumstance are analysed, and the methods of preventing roof from accident at coal pillar face in Lishu Coal Mine are sum up, which has a reference significance.
出处
《煤炭技术》
CAS
2008年第12期94-95,共2页
Coal Technology
关键词
回采煤柱
岩层运动
顶板管理
getting coal pillar
rock strata movement
roof control
