论文部分内容阅读
本文根据巷道的围岩变形和维护规律,及巷道布置方案的比较准则,论述缓倾斜厚煤层倾斜分层开采时无煤柱护巷在技术经济上的优越性。
Based on the law of deformation and maintenance of surrounding rock of roadway and the comparison criterion of roadway arrangement scheme, this paper discusses the technical and economic superiority of coal pillar-free roadway in inclined and inclined mining of gently inclined thick seam.