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建立了边坡稳定性分析的平面直角坐标系,得到了该坐标系下的边坡稳定分析瑞典圆弧法的积分表达式。以简单均质粘性土坡为研究对象,结合MATLAB遗传算法工具箱,建立了基于瑞典圆弧法的遗传算法优化模型,实现了边坡稳定分析最小安全系数的自动寻优。通过实例进行验证和对比,表明该方法是行之有效的。
The plane Cartesian coordinate system for slope stability analysis was established and the integral expression of the Swedish arc method for slope stability analysis was obtained. Taking the simple homogenous clay slope as the research object, combined with the genetic algorithm toolbox of MATLAB, the genetic algorithm optimization model based on Swedish circular arc method was established to realize the automatic optimization of the minimum safety factor of slope stability analysis. The verification and comparison of examples show that the method is effective.