水平地震下单桩动力响应的数值模拟及参数分析

英文篇名：Numerical Simulation of Single Pile Dynamic Response and Parameter Analysis Under Horizontal Seismic
中文刊名：湖南工程学院学报(自然科学版)
英文刊名：Journal of Hunan Institute of Engineering(Natural Science Edition)
作者：毛春芹 ; 李亚丹 ; 佘绘 ; 陶静
英文作者：MAO Chun-qin1 ; LI Ya-dan2 ; SHE Hui1 ; TAO Jing2(1.Construction Project Quality Supervisory Station of Zhijiang Construction Bureau ; Huaihua 419100 ; China ; 2.Civil Engineering and Mechanics College ; Xiangtan University ; Xiangtan 411105 ; China)
中文关键词：单桩 ; 横向地震动力响应 ; 时程曲线 ; 参数分析
英文关键词：single pile ; lateral seismic response ; time history curve ; parameter analysis
出版日期：2007-09-25
机构：湖南省怀化市芷江县建设局建设工程质量监督站,湘潭大学土木工程与力学学院,湖南省怀化市芷江县建设局建设工程质量监督站,湘潭大学土木工程与力学学院湖南怀化419100,湖南湘潭411105,湖南怀化419100,湖南湘潭411105
年：2007
期：03
出版单位：湖南工程学院学报(自然科学版)

摘要

针对水平地震作用下的桩土相互作用体系,建立了单桩-地基土系统三维有限元几何模型,运用此模型,对系统进行了水平地震作用下的单桩横向非线性动力响应分析,计算中,考虑了地基土的材料非线性、桩土界面状态非线性以及桩土弹模比、土体材料阻尼比和输入地震动水平等非线性因素和材料参数的影响.计算结果表明:桩土弹模比对桩土动力相互作用的影响较为明显.
Considering the pile-soil interaction system under the horizontal seismic loads,this paper uses FEM software ANSYS to set up the FEM model of single pile-soil foundation.By using this model,the soil material nonlinear and pile-soil state nonlinear are analyzed.The lateral seismic response of single pile is calculated.Then pile soil stiffness ratio,soil material damping ratio and earthquake design level are taken into consideration.The calculation results indicate that the pile soil stiffness ratio is the most obvious one among three factors.

引文

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