岩土力学2025，Vol.46Issue(11)：3371-3382,12.DOI:10.16285/j.rsm.2025.0478
横观各向同性土体中端承桩水平振动特性分析
Analysis of the horizontal vibration of an end-bearing pile embedded in a transversely isotropic soil
摘要
Abstract
Based on the dynamic theory of elastic media,the horizontal vibration of end-bearing piles embedded in a transversely isotropic soil is studied via an analytical scheme.By introducing displacement potential functions,the governing equations of the soil are decoupled,and the general solutions for the displacement and stress fields around the pile are derived using the method of separation of variables.Applying the continuity conditions at the pile-soil interface,the horizontal complex impedance of the surrounding soil is incorporated into the motion equation of the pile,leading to analytical solutions for the displacement,rotation angle,bending moment,and shear force of the pile.In addition,explicit expressions for the horizontal,rocking,and coupled horizontal-rocking dynamic impedances at the pile head are derived.Comparison with existing theoretical solutions confirms the accuracy and reliability of the proposed method.Furthermore,the influence of soil anisotropy parameters on the horizontal vibration characteristics of the pile is systematically analyzed.The results indicate that the anisotropic modulus ratio has a significant impact on the dynamic impedance at the pile head,as well as on the distribution of horizontal displacement,rotation angle,bending moment,and shear force along the pile depth.关键词
桩/横观各向同性土体/水平振动/解析解Key words
pile/transversely isotropic soil/horizontal vibration/analytical solution分类
建筑与水利引用本文复制引用
张智卿,刘鑫,刘开富,吴君涛,吴文兵..横观各向同性土体中端承桩水平振动特性分析[J].岩土力学,2025,46(11):3371-3382,12.基金项目
国家自然科学基金(No.52178367,No.52478370,No.52078465).This work was supported by the National Natural Science Foundation of China(52178367,52478370,52078465). （No.52178367,No.52478370,No.52078465）
