北截金矿深部岩体岩爆倾向性与岩爆等级分析预测

    Analysis and prediction of rock burst tendency and rock burst grade in deep rock mass of Beijie Gold Mine

    • 摘要: 深部开采过程中,受高地应力及扰动影响,易发生岩爆等地质灾害。为保障北截矿区深部开采安全生产,开展了深部岩体单轴及三轴压缩试验,进行了现场地应力测量,分析了地应力与埋深的关系,得到了北截矿区埋深与地应力回归曲线,探讨了北截矿区深部岩体岩爆倾向与岩爆等级,提出了岩爆防控的工程建议。

       

      Abstract: In the process of deep mining, geological disasters such as rock-burst may occur due to high ground stress and disturbance.In order to ensure the safe production of deep mining in Beijie mining area, uniaxial and triaxial compression tests of deep rock mass are carried out, on-site crustal stress measurements are carried out, the relationship between crustal stress and burial depth is analyzed, the regression curve between burial depth and crustal stress in Beijie mining area is obtained, the rock-burst tendency and grade of deep rock mass in Beijie mining area are discussed, and engineering suggestions for rock-burst prevention and control are put forward.

       

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