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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This paper presents a parameter assessment method to determine the eigenfrequency of the pile-soil system.

本文提出一种确定桩土系统固有频率的参数估计方法。

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Include choice of scheme, support system design of soil-nailing wall and anchor-pile composite supporting structure, excavate and monitor measurement in excavation engineering.

主要包括方案的选择，土钉墙与桩锚结合支护结构的支护体系设计，基坑开挖及监控测量。

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