• 据此研究结果设计了淮南谢桥煤矿极软岩巷支护方案参数

    Based on these research results, the supporting plan and parameters of roadway in Xieqiao coalmine in Huainan are designed.

    youdao

  • 结果表明,辅助注支护显著提高围岩的强度承载能力有效地控制深部极软岩巷道围岩变形

    Results indicate that the bolt-grouting support helps to increase the strength and bearing capacity of the surrounding rock and to control its deformation effectively.

    youdao

  • 结果表明,辅助注支护显著提高围岩的强度承载能力有效地控制深部极软岩巷道围岩变形

    Results indicate that the bolt-grouting support helps to increase the strength and bearing capacity of the surrounding rock and to control its deformation effectively.

    youdao

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