论文部分内容阅读
为了研究坚硬顶板工作面沿空留巷矿压显现规律,采用矿压观测的方法,在沿空留巷过程中设置相应的测站,对留巷前后巷道围岩表面位移、人造帮受力及轴向变形进行观测分析。
In order to study the rule of ground pressure of gob-side entry retaining in hard roof workface, the authors adopted the method of rock pressure observation to set corresponding stations in gob-side entry retaining process, Axial deformation for observation and analysis.