• In order to meet technical needs and minimize the deformation of tunnel, bolt-grouting supporting program was adopted on analysis of interaction between supporting and wall rock.

    为了满足掘进巷道技术要求,解决巷道变形,通过对巷道支护围岩相互作用目前各类巷道支护形式及支护效果分析研究,决定采用锚注支护方案

    youdao

  • This paper introduced a combined supporting technology, including first supporting, high-strength bolt-net-cable supporting, second supporting, long ring support and grouting behind support.

    介绍了该矿采用的高强锚网索支护环形支架二次支护以及壁后注浆的联合支护技术

    youdao

  • According to the status of serious destroy of the soft rock roadway influenced by the dynamic pressure in Yangquhe Mine, a reasonable bolt-grouting supporting scheme was put forward.

    针对羊渠河影响岩巷道严重破坏情况,提出了合理锚注支护方案。

    youdao

  • According to the status of serious destroy of the soft rock roadway influenced by the dynamic pressure in Yangquhe Mine, a reasonable bolt-grouting supporting scheme was put forward.

    针对羊渠河影响岩巷道严重破坏情况,提出了合理锚注支护方案。

    youdao

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