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Upper-bound solution of safety factor for slope with broken-line slip surface based on plasticity limit analysis
Author(s): 
Pages: 62-65
Year: Issue:  1
Journal: HYDROGEOLOGY & ENGINEERING GEOLOGY

Keyword:  垂直分条破坏机制虚功率原理强度储备;
Abstract: 从极限分析原理入手,以堆积型边坡作为对象,研究了折线型滑面边坡稳定分析计算的极限分析方法,提出了折线型滑面边坡稳定系数计算的极限分析模型,并在虚功率原理的基础上推导得到了稳定系数计算的极限分析上限解.该方法考虑了折线滑面和垂直速度间断面上的内能耗散作用,考虑了边坡自重荷载、铅直向附加荷载所做的外功率作用,能计算折线型滑面堆积体边坡的稳定性计算问题.以三峡库区三马山滑坡为工程实例进行了稳定性分析计算,并与不平衡推力法的计算结果进行了比较,对本文的方法进行了验证.
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