中低速磁浮桥建合一车站结构振动分析探讨

摘要

建立适合磁浮交通领域“桥-建”合一车站振动的评价标准,对不同工况下的激励源、激励输入进行研究,并建立磁浮列车-轨道梁耦合振动分析模型以及站房结构动力分析模型.以磁浮*梨站为分析对象,对不同工况不同区域的结构振动舒适性及结构安全性进行评价,仿真分析评价结果表明:一线制动一线启动工况下站房结构振动响应最大;轨行区结构振动响应明显大于站台区结构振动响应;在本研究所列不同工况下结构的振动舒适性及安全性是有保证的.%This paper presents the evaluation standard of the vibration of the bridge-building combined station in the maglev transportation.The excitation source and excitation input under different conditions are studied,and the coupling vibration model of the maglev train-track beam and the dynamic analysis model of building structure are established.With reference to the maglev station LANGLI,the structural vibration comfort and safety under different working conditions are evaluated.The results show that the structural vibration response is the most severe under the working condition of one line brake and one line start.And,the structural vibration response of the rail-line area is more severe than that of the platform area.The structural vibration comfort and safety under different conditions listed in this study are guaranteed.