论文部分内容阅读
以李阳煤矿15102区段运输平巷为工程背景,采用数值模拟研究了3种不同的巷道支护方式在煤巷掘进时的围岩应力与位移的分布特征。数值模拟结果表明,采用全煤巷道的高强度锚杆锚索联合支护时巷道稳定性最好。
Based on the transportation laneway in section 15102 of Liyang Coal Mine, the distribution characteristics of surrounding rock stress and displacement during the tunneling of coal roadway are studied by numerical simulation. The numerical simulation results show that the stability of roadway is the best when using the combination of high strength bolt, anchor and anchor of coal roadway.