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工业建筑  2008 

三维边坡极限平衡分析中滑动体模拟方法比较

DOI: 10.13204/j.gyjz200807015, PP. 62-66

Keywords: 边坡稳定,极限平衡法,Janbu法,NURBS,粒子群算法

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Abstract:

分别采用圆球、椭球以及非均匀有理B样条模拟边坡的三维滑动体,利用三维简化Janbu法计算给定滑动体的安全系数,采用混合粒子群算法搜索临界的滑动体及其对应的安全系数。对某两个典型土坡按不同模拟滑动体策略对计算结果的影响进行比较,并分析NURBS中不同跳动点个数的耗时及其对计算结果的影响。

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