石拱桥加固前后的动力特性对比分析  

Comparative Analysis of Dynamic Characteristics on Reinforcement of Stone Arch Bridge

作　　者：卓维松[1] 徐行军 ZHUO Weisong;XU Xingjun(School of Civil Engineering,Fujian Chuanzheng Communications College,Fuzhou 350007,China)

机构地区：[1]福建船政交通职业学院,土木工程学院,福州350007

出　　处：《湖南工程学院学报（自然科学版）》2022年第4期84-89,共6页Journal of Hunan Institute of Engineering(Natural Science Edition)

基　　金：福建省交通运输科技项目(201936).

摘　　要：以某石拱桥为例,对该桥的现状和振动测试情况进行简要介绍,采用参数修正法构建加固前、后桥梁的有限元模型,将实际测量值与计算值进行比对,分析加固前、后检测桥梁的动力特性.研究表明:经过修正之后的模型和实际桥梁的动力特性基本保持一致,可为类似桥梁加固及动力分析提供参考.Taking a stone arch bridge as an example,this paper briefly introduces the current situation and vibration test of the bridge,constructs the finite element model of the bridge with parameter correction before and after reinforcement,compares the actual measured value with the calculated value,and analyzes the dynamic characteristics of the bridge before and after reinforcement.Through the research,the following conclusions are obtained:the dynamic characteristics of the modified model and the actual bridge are basically consistent,which can provide a reference for the reinforcement and dynamic analysis of this kind of bridge.

关 键 词：石拱桥 有限元模型计算 振动测试 动力分析 

分 类 号：U446.1[建筑科学—桥梁与隧道工程]