• Through combined bolting with wire meshes, beam and cable anchor applied in large section roadway, this paper introduces how to select support parameter, working craft and support result.

    通过组合支护断面煤巷中应用介绍了其支护参数选择施工工艺支护效果

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  • The pre-stress is an important parameter of the bolt support and would have an important influence to the mine roadway support effect.

    预应力锚杆支护重要参数,预应力巷道支护效果重要影响

    youdao

  • The pre-stress is an important parameter of the bolt support and would have an important influence to the mine roadway support effect.

    预应力锚杆支护重要参数,预应力巷道支护效果重要影响

    youdao

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