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通过分析露天矿边坡二维有限差分模型，研究某露天铜矿边坡稳定性。所求得的结果与极限平衡法的研究结论相一致．在研究期间，为了确定地质不连续面的危险方位，进行了岩土工程测绘，在实验室测定了岩土工程性质。露天矿边坡数值模拟和极限平衡方法的分析表明，148m高的露天矿达波，采用60°总体边坡角是稳定的。
By analyzing the two-dimensional finite difference model of open pit slope, the stability of slope in an open pit copper mine is studied. The results obtained are in accordance with the findings of the limit equilibrium method. During the study, in order to determine the dangerous orientation of the geological discontinuities, geotechnical mapping was performed and geotechnical properties were determined in the laboratory. Analysis of the open pit slope numerical simulation and limit equilibrium method shows that the open wave of 148m height is stable with the overall slope angle of 60 °.