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采用随机-模糊分析方法对土体抗剪强度参数c与?进行了研究。研究表明,考虑土体样本参数的模糊性,采用随机-模糊分析方法计算的数字特征指标的变异性小。拟合检验表明,土体抗剪强度参数的随机-模糊值在真值附近的拟合度高,不改变总体的分布形式,可用于土工可靠性分析。
The stochastic-fuzzy analysis method was used to study the shear strength parameters c and φ of soils. The study shows that considering the fuzziness of parameters of soil samples, the variability of digital features calculated by stochastic-fuzzy analysis is small. The fitting test shows that the randomness of the soil-shear strength parameter is high near the true value, does not change the overall distribution form, and can be used in the geotechnical reliability analysis.