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以淮南某矿深部沿空巷道的修复治理为工程背景,通过FLAC2D数值模拟分析了影响巷道围岩稳定性的因素,在此基础上提出深部软岩动压巷道的围岩控制技术,详细介绍了62110风巷扩修加固技术方案,实践表明:采用架锚注联合加固技术能够有效控制沿空留巷围岩的强烈变形,保持留巷稳定。
Taking the restoration and treatment of the deep gob-side entryway in a certain mine in Huainan as the engineering background, the factors influencing the stability of the surrounding rock in the roadway are analyzed by FLAC2D numerical simulation. Based on the analysis, the surrounding rock control technology for the deep soft rock roadway is proposed. 62110 wind tunnel expansion reinforcement program, practice shows: the use of frame anchor injection combined reinforcement technology can effectively control the strong deformation of gob-side entry retaining rocks to maintain stability of retaining lane.