基于矿压显现监测的深部高应力煤巷支护参数优化

Supporting Parameter Optimization for Deep Coal Roadway with High Stress Based on Mine Pressure Monitoring

基于高家堡煤矿201措施巷围岩变形量大、巷道破坏严重的情况,通过锚杆工作阻力监测、围岩变形监测、围岩松动圈测试等手段,结合巷道围岩现场变形破坏情况,分析了深部高应力煤巷围岩矿压显现特点及支护结构的支护效果。在此基础上,提出了相应的围岩控制对策,并进行了巷道支护参数优化,通过数值模拟方法分析了优化方案的有效性及合理性。

Based on the situations of serious deformation and damage of 201 coal roadway in Gaojiabao Coal Mine,the characteristics of strata behaviors for surrounding rock in deep high stress coal roadway and the supporting effect of supporting structure are analyzed by means of anchor bolts working resistance monitoring,rock deformation and surrounding rock loose zone as well as combining with the damage of surrounding rock. The control measures of surrounding rock were proposed,and the optimization design of the supporting parameters was established on the basis of monitoring and analysis results,then the validity and rationality of optimization scheme was analyzed through numerical simulation method.