根式基础在地震作用下的位移响应分析  

Displacement Response Analysis of Root Foundation under Earthquake Action

作　　者：尤高帅 赵秦量 刘益良 赵桐桐 You Gaoshuai;Zhao Qinliang;Liu Yiliang;Zhao Tongtong(School of Architectural Engineering,North China Institute of Aerospace Engineering,Langfang 065000,China;Financial Investment Review Center of Langfang,Langfang 065000,China;School of Civil and Transportation Engineering,Beijing University of Civil Engineering and Architecture,Beijing 102612,China)

机构地区：[1]北华航天工业学院建筑工程学院,河北廊坊065000 [2]廊坊市财政投资评审中心,河北廊坊065000 [3]北京建筑大学土木与交通工程学院,北京102612

出　　处：《北华航天工业学院学报》2024年第3期14-16,共3页Journal of North China Institute of Aerospace Engineering

基　　金：北华航天工业学院科研基金项目(KY-2023-03)。

摘　　要：运用有限元分析软件ANSYS对某钢管混凝土下承式拱桥进行地震时程分析,通过改变根键的长度和截面积,分析根键各参数对拱桥跨中、拱顶、墩顶、桩顶等控制部位最大位移的影响。结果表明,在一定范围内,增加根键长度、增大根键截面积均能有效减小拱桥在地震作用下的最大位移。The finite element analysis software ANSYS is used to analyze the seismic time history of a concrete flled steel tube through arch bridge.By changing the length and cross-sectional area of the root,the influence of the root on the maximum displacement of the mid-span,arch roof,pier top and pile top of the arch bridge is analyzed.The results show that within a certain range,increasing the length of the root and increasing the cross-sectional area of the root can effectively reduce the maximum displacement of the arch bridge under earthquake.

关 键 词：根式基础 地震时程分析 有限元 

分 类 号：TU447[建筑科学—岩土工程]