stope face

dealing with gas accumulation in the upper corner of stope face

回采工作面上隅角瓦斯积聚的治理

talking about coal mining with on stope face

浅谈回采工作面的调斜采煤

comprehensive management at high gas stope face

高瓦斯回采工作面的综合治理

This paper introduces the method of slope adjustment of stope face.

文章介绍了回采工作面的调斜方法.

Based on geological condition and mechanics properties of open pit footwall slope rock in Xinqiao Pyrite Mine, the stope's stability is analysed by calculation of double slide face type failure mode with limit equilibrium theory.

基于对新桥矿露采下盘边坡的地质概况和岩石物理力学性质分析，采用极限平衡理论，通过双滑面型破坏模式的计算，对边坡作了稳定性分析。

technology analysis on roof fall accident when stope face crossing fault and prevention measurement

回采工作面平推硬过断层冒顶事故的技术分析及防范