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综合多方面的研究成果及其工程实践，系统地论述了最危险滑弧圆心的分布规律和各种求解最危险滑弧圆心的方法及其特点和使用条件，并介绍了采用试算法和非线性规划方法的求解方法．所提出的试算法不同于传统的试算法，其不仅可应用于圆弧滑坡最危险滑面的求解，亦可应用于求解层状岩体边坡复合滑面滑坡的最危险滑面．
Based on the comprehensive research results and engineering practices, the distribution rules of the most dangerous arc centers and various methods for solving the most dangerous arc centers are discussed systematically. The characteristics and the conditions of their application are also introduced. Method of solving the planning method. The proposed test method is different from the traditional trial method. It can be applied not only to solve the most dangerous slip surface of circular arc landslide, but also to solve the most dangerous slip surface of compound landslide of layered rock mass slope.