深井多硐室影响下围岩稳定性控制

Stability Control of Surrounding Rock with Multi-chamber in Deep Mine

河南磴槽煤矿十平巷泵房硐室因受复杂围岩应力条件、埋置深度等因素影响,造成了支护难度较大。针对此硐室的破坏情况,采用数值模拟软件ABAQUS对硐室失稳破坏机理进行分析,得出临近水仓施工对泵房硐室的应力、位移的影响,进而采用"三锚"支护手段,对泵房与水仓间的岩体进行整体加固,以达到对泵房硐室稳定性的控制。监测结果表明支护方案发挥了很好的作用。

For the pump station of Shiping roadway in Henan Dengcao mine, as the complexity of surrounding rock stress conditions, high embedded depth and other factors resulted in the support difficulty increasing. In this paper, aiming at the destruction of this chamber, we used the numerical simulation software ABAQUS and analyzed the failure mechanism of this chamber, then we got the stress and displacement effects which the construction of pump house near the water storage chamber caused to the pump house chamber, thus we reinforced the rock mass between the pumping stations and water storage by using the ＂three anchor＂ support means in order to achieve the stability control of pump house chamber. Monitoring results show that the supporting program has played a good supporting role.