In this paper, the three dimensional elastoplastic analysis of a group pile soil interaction system is made by using the finite prism element method.

应用有限棱柱单元法对群桩与土相互作用系统进行了三维弹塑性分析，并以无限棱柱元模拟半无限空间地基土的边界条件。

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Based on the consolidated finite layer theory, the analysis method of the nonlinear interaction on pile group-soil-raft considering soil consolidation is built in the study.

基于固结有限层的考虑提出了土体固结的桩-土-承台非线性共同作用分析方法。

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