论文部分内容阅读
本文从降低回采巷道围岩应力角度出发，在结合平八矿具体条件所做的大量现场观测及试验研究工作的基础上，对丁５－６、戊９－１０、己１５煤层上分层回采巷道布置方式进行了探讨，为合理回采巷道布置提供了参考意见。
In this paper, based on reducing the stress of surrounding rock in mining roadway and on the basis of a large number of on-site observations and experimental studies carried out under the conditions of Ping’er Mine, the stratified mining roadway on Ding 5-6, Pei 9-10, The arrangement way is discussed, which provides a reference for the rational mining roadway layout.