井工开采对露天煤矿边坡稳定性影响的数值模拟研究

鉴于国内露天矿转井工开采的实际情况,对于采动坡地稳定分析较少。结合了阜新高海煤矿的实际情况,利用有限差分软件FLAC-3D软件,建立了海州露天矿边坡的三维模型,对采动影响下的边坡的稳定性进行三维数值模拟研究,获得了露天矿边坡变形破坏的基本特点及稳定性的基本状况。模拟的结果对采动边坡的位移和受力状态进行分析,为采动边坡稳定性分析提供了参考。

In the view of study on Mining transfen＇ed from open-pit to underground caused the research of the problem of the stability of slope is less. This article combines the actual situation of the GaoHai Coal Mine of FuXin city,and sets up the three-dimensional model of the part of Haizhou open-pit slope hy the finite difference software FLAC-3D software.Through the three-dimensional numerical simulation study of the influ- enee on stability of slope by underground-mining won the basic characteristics of the open pit slope deformation and the situation of the basic stability. The simulation results of the mining slope of the displacement and deformation analysis of state for mining analysis provides a reference to the slope.