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System probabilistic model of rock slope stability considering correlated failure modes

机译:考虑相关破坏模式的岩质边坡稳定性系统概率模型

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摘要

In this paper, a system reliability analysis of rock slope stability with considering all input parameters as stochastic parameter is presented. To perform reliability analysis a cut-set system has been used. For this purpose, Sequential Compounding Method (SCM) as a powerful method for reducing the computational time and accurate evaluation is employed to determine the reliability indices with considering correlations between failure modes which are calculated by defining equivalent linear safety margin for each failure mode. Furthermore, the 3-D system probability of failure surface is presented and the probabilistic model is developed to evaluate the rock slope probability of failure. (C) 2016 Elsevier Ltd. All rights reserved.
机译:本文提出了一种以所有输入参数为随机参数的边坡稳定性系统可靠性分析方法。为了进行可靠性分析,使用了割台系统。为此,采用顺序混合法(SCM)作为减少计算时间和进行准确评估的有效方法,考虑了通过定义每种故障模式的等效线性安全裕度而计算出的故障模式之间的相关性,从而确定可靠性指标。此外,提出了3D系统破坏面的概率,并建立了概率模型来评估岩石边坡的破坏概率。 (C)2016 Elsevier Ltd.保留所有权利。

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