By comparison and analysis of the calculation result with the data of the self-balanced loading test, the reasonable mechanical parameters of pile group calculation is acquired with the direct back analysis methods.
用ABAQUS软件对单桩进行了数值计算，将计算结果与自平衡试验的结果做了对比分析，利用直接反分析方法反演了土体参数，为群桩计算确定了合理的参数。
参考来源 - 大直径超长钻孔灌注桩群桩效应的三维非线性有限元分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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