• Based on the theory of rock mechanics that applied in country rock kerf, and using bolt support can remove the heave of bottom, which gets good effect in practice.

    施工中应用巷道围岩岩石力学理论分析,采用锚杆护法解决底板臌起现象,收到良好效果。

    youdao

  • Based on the theory of rock mechanics that applied in country rock kerf, and using bolt support can remove the heave of bottom, which gets good effect in practice.

    施工中应用巷道围岩岩石力学理论分析,采用锚杆护法解决底板臌起现象,收到良好效果。

    youdao

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