Analysis of batter piles using finite beam element method

PENG Wen-zhe; ZHAO Ming-hua; YANG Chao-wei; LIU Ya-nan

doi:10.16285/j.rsm.2020.1171

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Analysis of batter piles using finite beam element method

更新时间：2026-06-25

- Analysis of batter piles using finite beam element method
- Vol. 43, Issue S1, Pages: 650-657(2022)
- 作者机构：
  
  湖南大学土木工程学院,湖南,长沙,410082
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2020.1171
  CLC： U443.15
- Online First：15 July 2022，
  
  Published：2022
- 稿件说明：
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PENG Wen-zhe, ZHAO Ming-hua, YANG Chao-wei, et al. Analysis of batter piles using finite beam element method[J]. 2022, 43(S1): 650-657.
DOI：

PENG Wen-zhe, ZHAO Ming-hua, YANG Chao-wei, et al. Analysis of batter piles using finite beam element method[J]. 2022, 43(S1): 650-657. DOI： 10.16285/j.rsm.2020.1171.

摘要

为探讨斜桩基础受力变形分析的理论计算方法，首先，在现有斜桩研究的基础上总结斜桩承载机制及其受力变形特性；提出斜桩简化力学模型，并假定桩顶倾斜荷载沿桩体轴向及其垂直方向分解，进而提出地基反力确定方法并推导其控制微分方程；其次，对传统有限杆单元进行改进，以考虑二阶效应及桩−土相互作用的影响，并以MATLAB为平台编制求解程序用于斜桩基础受力变形分析；最后，引入模型试验与现场试验，通过对比理论计算结果与试验实测值，验证改进有限杆单元方法用于斜桩受力变形分析的可行性，总结出一些规律性的结论。以上分析可为斜桩工程设计提供参考，具有一定的理论及工程价值。

Abstract

This paper is presented to investigate the theoretical calculation method for the inner-force and deformation analysis of batter piles. Firstly

the bearing mechanism and deformation characteristics of batter piles are reviewed on the basis of the existing studies. The simplified mechanical model of batter piles is proposed by assuming that external loads atop batter piles would be decomposed along axial and radial directions of piles

and then the determination method of the foundation resistance is proposed and the governing differential equation of batter piles is further derived. Secondly the conventional finite beam element method is modified to consider the effects of the second-order effect and pile-soil interaction

and a program is compiled for the analysis of the inner-force and deformation of batter piles based on the MATLAB platform. Finally

the proposed theoretical method is validated by a model test and a field test

and some conclusions are summarized. These above-mentioned analyses can provide references for engineering design of batter pile

which is of theoretical and engineering application value.

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