岩土力学2017，Vol.38Issue(1)：26-32,40,8.DOI:10.16285/j.rsm.2017.01.004
黏弹性地基中管桩水平动力特性分析
Analysis of lateral dynamic response of pipe pile in viscoelastic soil layer
摘要
Abstract
The lateral dynamic characteristics of a pipe pile in a viscoelastic soil layer are investigated.The soil is simulated using three-dimensional viscoelastic theory;and the pipe pile is modeled as an Euler-Bernoulli beam.The governing equations of the outer and inner soil are uncoupled without utilizing potential functions.The solutions are obtained by separate variable method.The lateral displacement of the pipe pile is derived based on the continuity conditions between the pipe pile and the soils.The lateral dynamic complex impedance of the pipe pile is determined.The proposed solution can be reduced to a solid pile solution.The proposed method is validated by comparing the calculated results with existing solutions.Parametric studies are conducted to study the influences of the moduli,densities of the outer and inner soil as well as the pile length on the complex impedance.关键词
管桩/水平振动/解析解/复阻抗/黏弹性地基Key words
pipe pile/horizontal vibration/analytical solution/complex impedance/viscoelastic soil分类
建筑与水利引用本文复制引用
郑长杰,丁选明,栾鲁宝..黏弹性地基中管桩水平动力特性分析[J].岩土力学,2017,38(1):26-32,40,8.基金项目
国家自然科学基金(No.51378177,No.51420105013,No.51622803).This work was supported by the National Natural Science Foundation of China(51378177,51420105013,51622803). （No.51378177,No.51420105013,No.51622803）
