韩江大桥(48+80+80+88+48)m道岔连续梁车桥耦合动力响应分析

Train-bridge Coupling Dynamic Response Analysis of(48 +80 +80 +88 +48) m Turnout Continuous Beam of Han-river Bridge

研究了高速列车与厦深铁路韩江大桥(48+2×80+88+48)m道岔连续梁的空间耦合振动中的桥梁响应问题。以模态坐标法形成结构的动力方程,适用SAP2000形成基本振型并由此获得振型参数,利用Matlab软件编写求解程序,得到了道岔连续梁动力响应的一些成果。

This article studies the bridge responses to the space coupling vibration of high speed train and turnout continuous beam of Han-river Bridge with spans of 48 +2 ×80 +88 +48 meters on Xiamen-Shenzhen Railway.In the research, the dynamic equation is formed with modal coordinates method, the parameters of vi-bration modes are gained by SAP2000, and the solver is written in Matlab.Some helpful conclusions of Han-riv-er Bridge are obtained.