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A Reliability Analysis Method for the Earth-Rock Aggregate Slope

机译：地球岩骨料坡度的可靠性分析方法

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摘要

A reliability analysis method is proposed to evaluate the stability state of the earth-rock aggregate slope which consists of rock blocks and soft soil. In order to describe the heterogeneity and discontinuity of the slope of this kind, uncertainty of the strength and spatial variation of the strength is considered. The reliability of an earth-rock aggregate slope can be obtained with the combination of the Monte Carlo method and Continuum-Discontinuum Element Method (CDEM). The relative displacement between monitoring points are used as the critical index for the failure criteria. An ideal and typical model for the earth-rock aggregate slope is established to demonstrate the analytical procedure of the reliability method. The results show that the reliability of a slope is greatly influenced by the distribution characteristics of the strength parameters. The reliability method based on probability statistics can obtain the correlation between the stability of a slope and the distribution property of the parameters, which provides more comprehensive results compared to the traditional deterministic methods.
机译：提出了一种可靠性分析方法来评估土石骨料斜率它由岩石块和软土的稳定性状态。为了描述这种斜率的异质性和不连续性，强度和强度的空间变化的不确定性考虑。一个土石骨料斜率的可靠性可以用蒙特卡罗方法和连续-非连续元法（CDEM）的组合来获得。监测点之间的相对位移被用作失效标准临界指数。为土石骨料斜率理想的和典型的模型被建立以证明可靠性方法的分析方法。结果表明，斜坡的可靠性大大由强度参数的分布特性的影响。基于概率统计可靠性的方法能够获得的斜率的稳定性和参数的分布特性，相对于传统的确定性方法，其提供更全面的结果之间的相关性。

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