A time-dependent stochastic model is developed for the study of slope stability under heavy rainfall, which accounts for the uncertain nature of rainfall events and the spatial variability of soil permeability. The developed model is employed to assess slope reliability under random rainfall events with subset simulation, which is efficient adaptive simulation method. Numerical examples are presented for studying the influence of the scale of fluctuation and the parameters of the stochastic model of the random rainfall event on the slope reliability. Additionally, the impact of measurement data on the posterior statistics of the factor of safety is investigated.
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A time-dependent stochastic model is developed for the study of slope stability under heavy rainfall, which accounts for the uncertain nature of rainfall events and the spatial variability of soil permeability. The developed model is employed to assess slope reliability under random rainfall events with subset simulation, which is efficient adaptive simulation method. Numerical examples are presented for studying the influence of the scale of fluctuation and the parameters of the stochastic mode...
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