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城市高架轨道系统会引起环境振动,影响人们的工作和学习.首先使用有限元法建立车辆-轨道-桥梁有限元模型,求得列车通过高架轨道时桥墩对大地的动力作用;再使用大型通用有限元程序ANSYS建立蜂窝波阻块-大地耦合振动计算模型,对蜂窝波阻块的隔振效果进行了分析.研究表明:蜂窝块波阻块作为一种地屏障结构,能够很好的隔离由高架轨道引起的大地振动.
Urban elevated track system will cause environmental vibration and affect people’s work and study.Firstly, finite element method is used to establish the vehicle-track-bridge finite element model to obtain the dynamic effect of bridge pier on the earth when the train passes the elevated track. Element program ANSYS established honeycomb wave blocking block - the coupling vibration model of the earth, the honeycomb blocking block vibration isolation effect was analyzed.Research shows that: the honeycomb block wave block as a ground barrier structure, can be well isolated from the elevated Earthquake caused by orbit.