【摘要】 对影响水泥土搅拌桩复合地基承载力可靠度的不确定性因素进行了探讨,采用抽样检验的贝叶斯方法对依据计算模型得到的可靠度进行更新,同时,采用自编的改进遗传算法计算复合地基的可靠指标,对可靠指标进行了灵敏度分析,得到一些规律性和有益的结论。更多还原

【Abstract】 Uncertain factors which affected the reliability of cement mixing pile composite foundation bearing capacity were discussed in this paper,the reliability deduced from calculation model was gained using improved Bayes’s theorem.At the same times,the index of reliability of composite foundation was calculated with improved Genetic Algorithm,sensitivity of index of reliability was analyzed too,and some regular and available conclusions were drawn in the end.更多还原