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中文摘要：
基于极限分析上限定理，结合边坡扇形条分法，采用序列二次规划优化算法并引入条间能量耗散系数，研究了地震荷载下潜在不稳定边坡的破裂面形状及其稳定性，通过算例分析并与相关研究成果比较，验证了本文理论方法的可行性．结果表明本文理论方法预测的潜在边坡破裂面介于直线破裂面与对数螺旋型破裂面之间．
英文摘要：
Based on the theory of limit analysis, with the slope fan-shaped slice method, this paper utilized the sequential quadratic programming optimization algorithm and introduced the energy dissipation coefficient between fans to study the shape and stability of fracture surfaces of potentially unstable slopes under earthquake. This method proved to be feasible compared with an example analysis result and some similar research results. The result shows that, using this method, the potential slope fracture surface is between the straight line and the logarithmic spiral fracture surface.
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