| 无推力式钢桁系杆拱桥动力特性及列车走行性分析 |
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| 引用本文： | 冯祁,曾敏.无推力式钢桁系杆拱桥动力特性及列车走行性分析[J].中国西部科技,2009,8(29):14-15,30. |
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| 作者姓名： | 冯祁 曾敏 |
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| 作者单位： | 中南大学土木建筑学院,湖南长沙410075 |
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| 摘 要： | 通过建立客车与无推力式钢桁系杆拱桥的车桥耦合动力分析模型，并根据势能驻值原理及形成结构矩阵的“对号入座法则”，导出了系统的空间振动矩阵方程。本文分析了无推力式钢桁系杆拱桥的车桥动力响应特点，并进行了列车走行安全性与乘客舒适性分析。
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| 关 键 词： | 无推力式钢桁系杆拱桥 车桥耦合振动 走行安全性 动力特性 |
Dynamical Characteristics of Arch Bridge Without Thrust and Analysis of the Train Running Safety |
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| FENG Qi,ZENG Min.Dynamical Characteristics of Arch Bridge Without Thrust and Analysis of the Train Running Safety[J].Science and Technology of West China,2009,8(29):14-15,30. |
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| Authors: | FENG Qi ZENG Min |
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| Institution: | ( School of Civil Engineering and Architecture, Central South University, Changsha,Hunan 410075,China) |
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| Abstract: | Through building vehicle-bridge coupling dynamic analysis model between train and arch bridge without thrust, and based on the variational principle of the stationary potential energy and the ＂set-in-right position＂ rule of forming structural matrices, the space vibration equations in matrix form of the system are derived. The properties of vehicle-bridge vibration responses of the arch bridge without thrust are analyzed and the train running safety and passenger riding comfort are studied. |
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| Keywords: | Arch bridge without thrust Vehicle-bridge coupling vibration Running security Dynamic characteristics |
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