System probabilistic model of rock slope stability considering correlated failure modes |
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| Institution: | 1. College of Engineering, Swansea University, Swansea, United Kingdom;2. Civil Engineering Department, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, India;1. Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong;2. School of Civil Engineering, Qingdao University of Technology, China;1. Department of Civil and Environmental Engineering, Shiraz University of Technology, Po. Box 71555-313, Shiraz, Iran;2. Water Resources and Environmental Engineering Research Group, University of Oulu, PO Box 4300, FIN-90014, Finland;1. College of Civil Engineering, Hunan University, Changsha 410082, Hunan, China;2. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, Hubei, China |
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| Abstract: | 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. |
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| Keywords: | Rock slope stability Cut-set system Sequential compounding method System probabilistic model Correlated failure modes |
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