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从土动力学的角度 ,本文认为按土的有效应力原理进行桩—土动力相互作用分析能够较好地反映土的动力特性对桩基的影响。又着重讨论了基于有效应力原理的有限元法 ,并对一个柱式桥墩桩基础进行了计算和分析。
From the perspective of soil dynamics, this paper considers that the analysis of pile-soil dynamic interaction according to the principle of soil effective stress can well reflect the influence of soil dynamic characteristics on pile foundation. The finite element method based on the principle of effective stress is also emphatically discussed, and the calculation and analysis of a column pier foundation are carried out.