• This paper discusses the support selection of lasting gateways in steeply inclined seams, and evaluates the support effect.

    本文对急倾斜煤层中巷道支护方式的选择及支护效果监测等方面进行了系统研究。

    youdao

  • A roof fall accident that was caused by bolt support is analyzed. The influence of the lane fault to bolt (cable) is pointed out. It has a certain reference for support selection of the same lanes.

    对锚杆支护引起的一起冒顶事故进行了分析,指出了顺巷断层对锚杆(索)支护的影响,对同类巷道的支护选择具有一定的借鉴意义。

    youdao

  • A roof fall accident that was caused by bolt support is analyzed. The influence of the lane fault to bolt (cable) is pointed out. It has a certain reference for support selection of the same lanes.

    对锚杆支护引起的一起冒顶事故进行了分析,指出了顺巷断层对锚杆(索)支护的影响,对同类巷道的支护选择具有一定的借鉴意义。

    youdao

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