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公轨两用斜拉桥竖向车桥耦合振动分析

DOI: 10.3969/j.issn.1674-0696.2013.04.01, PP. 551-554

Keywords: 公铁两用斜拉桥,车桥耦合,振动,highway-railwaycable-stayedbridge,vehicle-bridgecoupling,vibration

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Abstract:

:?基于ANSYS通用有限元软件平台,以某公铁两用斜拉桥为研究对象,借助梁格法及空间杆系有限元方法,建立了该桥的有限元模型,分析了其空间自振动特性及其在轻轨车辆作用下的车桥振动响应。结果表明:车辆与桥梁的振动响应同国内外实测结果一致,车辆行驶竖向舒适性及安全性指标均满足规范要求。

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