钢筋混凝土斜腿刚架桥动力特性分析  

Dynamic Characteristic Analysis of Reinforced Concrete Slant Legged Rigid Frame Bridge

作　　者：刘世明[1] 赵顺波[1] 杨竹林 杨建中 

机构地区：[1]华北水利水电学院,河南郑州450011 [2]河北省水利水电第二勘测设计研究院,河北石家庄050021

出　　处：《华北水利水电学院学报》2009年第4期30-32,共3页North China Institute of Water Conservancy and Hydroelectric Power

基　　金：郑州市2007年度科技发展计划(6-34)

摘　　要：结合邢台市柏乡牡丹桥的设计工作,采用通用有限元软件,建立了钢筋混凝土斜腿刚架桥的总体空间动力计算模型,研究了该桥的动力特性,获得了其振型特征及自振频率、自振周期等参数值,给出了该桥的前6阶振型图形,提出了该桥地震作用效应计算可以采用的方法,为斜腿刚架桥抗震设计计算提供参考.Combining with the design works of Mudan bridge in Baixiang county of Xingtai city,the general space calculation mode was build for dynamic analysis of the reinforced concrete slant legged rigid frame bridge through the finite element software.The dynamic characteristics of the bridge was analyzed,the vibrating types and the values of self-vibrating frequency and cycle were obtained,dynamic calculation measures was put out.It can be a reference for the design of municipal slant legged rigid frame bridge.

关 键 词：城市桥梁 斜腿刚架 动力特性 

分 类 号：U448.232[建筑科学—桥梁与隧道工程]