Reliability Analysis for Bypass Seepage Stability of Complex Reinforced Earth‐Rockfill Dam with High‐Order Practical Stochastic Response Surface Method
Abstract:Practical stochastic response surface method (SRSM) using ordinary high-order polynomials with mixed terms to approximate the true limit state function (LSF) is proposed to analyze the reliability of bypass seepage stability of earth-rockfill dam. Firstly, the orders of random variable are determined with a univariate fitting. Secondly, nonessential variables are excluded to identify possible mixed terms. Thirdly, orthogonal table is used to arrange additional samples, and stepwise regression is conducted to a… Show more
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