• In this paper, the research is carried out deeply aimed at the problems of the structure parameters of underground stope for transition from open pit to underground Mining in Shirengou Iron Mine.

    针对石人沟铁矿露天转地下过渡期开采I区地下采场结构参数问题展开了深入研究。

    youdao

  • Using the Orthogonal test method, the optimal structure parameters in subsea mining are obtained by constructing a objective function based on the principle to keep the stability of rock masses.

    采用正交试验方法,以岩体稳定性为原则建立目标函数,获得滨海基岩开采最佳采场结构参数。

    youdao

  • Using the Orthogonal test method, the optimal structure parameters in subsea mining are obtained by constructing a objective function based on the principle to keep the stability of rock masses.

    采用正交试验方法,以岩体稳定性为原则建立目标函数,获得滨海基岩开采最佳采场结构参数。

    youdao

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