Analysis of soil resistance on laterally loaded piles based on 3D soil–pile interaction
Analysis of soil resistance on laterally loaded piles based on 3D soil–pile interaction
复制标题
DOI：
10.1016/j.compgeo.2010.12.001
复制
发表时间：
2011-03
影响因子：
5.3
通讯作者：
Youngho Kim;Sangseom Jeong
中科院分区：
文献类型：
--
作者：
Youngho Kim;Sangseom Jeong
采用横向荷载传递法（p-y曲线）研究了大直径桩的荷载分布和桩身变形。特别注意的是土壤的连续性和土壤阻力，使用三维有限元分析。基于周围土壤应力计算用于确定p-y曲线的框架。本文提出了验证p-y特性所需的适当参数研究。通过与现场荷载试验结果的比较，三维数值方法在本研究中是在良好的协议与现场测量观察到的一般趋势，因此，代表了一个现实的土-桩相互作用的横向加载桩在粘土比现有的p-y方法。可以说，严格的数值分析可以在一定程度上克服现有p-y方法的局限性，考虑桩土力的三维组合效应。
The load distribution and deflection of large diameter piles are investigated by lateral load transfer method (p–y curve). Special attention is given to the soil continuity and soil resistance using three-dimensional finite element analysis. A framework for determining a p–y curve is calculated based on the surrounding soil stress. The appropriate parametric studies needed for verifying the p–y characteristic are presented in this paper. Through comparisons with results of field load tests, the three-dimensional numerical methodology in the present study is in good agreement with the general trend observed by in situ measurements and thus, represents a realistic soil–pile interaction for laterally loaded piles in clay than that of existing p–y method. It can be said that a rigorous numerical analysis can overcome the limitations of existing p–y methods to some extent by considering the effect of realistic three-dimensional combination of pile–soil forces.