• 揭示煤体边缘水平应力垂直应力峰值不耦合规律以及巷道顶板应力峰值煤柱宽度不同而演化轨迹

    The study manifested the uncoupled pattern of the peak stresses in vertical and horizontal directions, as well as the stress evolution trace varying with pillar width.

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  • 安装过程中,他们发现设备3330只有4.8米,这样基础位置垂直于该巷道面临90转弯难题

    During installation, they found the device and 3 meters wide, while only 4.8 meters wide, Lane 330, this basic position perpendicular to the roadway, facing 90-degree bend problem.

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  • 根据模拟结果垂直应力大于水平应力情况下破坏主要在巷道侧面发生

    According to the simulation result, in the condition of vertical stress greater than horizontal stress, the failure occurs in lateral wall of the tunnel.

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  • 通过倾斜矿体下盘底部结构设计总结堑沟凿岩巷道垂直平行位置关系,经比较和验算后合理设计底部结构,减少了开采损失贫化。

    The vertical and parallel relations of the trench with drill drift are summarized by the bottom structure disposal design on inclined orebody footwall.

    youdao

  • 通过倾斜矿体下盘底部结构设计总结堑沟凿岩巷道垂直平行位置关系,经比较和验算后合理设计底部结构,减少了开采损失贫化。

    The vertical and parallel relations of the trench with drill drift are summarized by the bottom structure disposal design on inclined orebody footwall.

    youdao

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