煤矿巷道矿山压力显现规律模拟探讨

Discussion on Simulation of Appearance Law of Mine Pressure in Coal Mine Roadways

采用构建物理模型及应用摩尔-库仑破坏理论的方法进行了A煤矿巷道掘进过程中矿山压力显现规律的模拟研究。结果表明,采动过程是影响主关键层剪应力、横向应力和主应力的关键因素,采动过程同时也是顶板悬露-断裂-悬露的周期性变动过程,为煤矿安全生产防护提供了依据。

This paper used the method of constructing a physical model and applying the Mohr-Coulomb failure theory to simu-late the appearance law of the mine pressure during the roadway tunneling process of A Coal Mine.The results show that the mining process is the key factor affecting the shear stress,transverse stress and principal stress of the main key layer,and the mining process is also the periodic change process of roof overhang-fracture-overhang,which can provide a basis for coal mine safety production protection.