• Field practice shows that the method of making loose blasting deeply in the area of the mining abutment pressure can control the entry floor heave effectively and meet the need of the production.

    现场实践表明采用底板支承压力进行深部松动爆破有效控制回采巷道底鼓,满足生产需要

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  • Numeric analysis using computer and simulation test with equivalent materials show that reinforcement of different positions of the gateway will help to control the floor heave.

    计算机数值模拟相似材料模拟试验研究表明加固不同部位控制一定效果。

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  • The industrial test results show that the implementation of this scheme has effectively control the floor heave.

    工业试验结果表明方案有效地控制巷道底鼓。

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  • Practices on floor heave prevention and control technology of mining gateway in Wuyang Mine;

    根据研究结果,提出采用巷道底板上分期安装锚杆的方法可有效地防治巷道底鼓。

    youdao

  • Practices on floor heave prevention and control technology of mining gateway in Wuyang Mine;

    根据研究结果,提出采用巷道底板上分期安装锚杆的方法可有效地防治巷道底鼓。

    youdao

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