• The bolting with wire mesh is commonly used actual mining roadway of the thick coal seam, and in some cases the cabling reinforcement should be considered.

    采用支护方式维护煤层放顶煤沿底回采巷道时,多数需要考虑锚索加固问题。

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  • Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh, problem and improvement was given safety effective was ensured.

    针对金属支护架棚支护巷道中的安全作用进行了全面分析,提出改进方案存在问题,确保了金属前探支护的安全作用。

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  • Through adpting U-steel bolting with wire mesh in 21 dip of Lugou coal mine, condition of roadway supporting is improved, technological and economic results are gained.

    沟矿21采区下山通过采用U型钢-支护,改善了巷道支护状况,取得了明显的技术经济效益

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  • Based on the multiple problems existing in design of bolting support in Datun mining Area nowadays, the parameters of bolting (cabling) with wire mesh in actual mining...

    综合讨论大屯矿区现支护设计方法尚存问题基础上,对厚煤层放顶煤沿底回采巷道的锚网()支护参数设计方法进行了全面分析。

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  • Based on the multiple problems existing in design of bolting support in Datun mining Area nowadays, the parameters of bolting (cabling) with wire mesh in actual mining...

    综合讨论大屯矿区现支护设计方法尚存问题基础上,对厚煤层放顶煤沿底回采巷道的锚网()支护参数设计方法进行了全面分析。

    youdao

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