资料简介： DYNAMIC ANALYSIS OF TSING MA BRIDGE WITH RUNNING TRAINS SUBJECTED TO TYPHOON YORKW. W. , H. , Y. L.( a8 V# O$ ^7 ~, o- e
School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, ChinaDepartment of Civil and Structural Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong, ChinaAbstract: In this paper, a three-dimensional dynamic interaction analysis model of wind-train-bridge system is established by applying a modal superposition technique to the bridge only. The proposed formulations are applied to the Tsing Ma Bridge. The dynamic response characteristics of the long suspension bridge under cross wind and running trains during the Typhoon York are analyzed and compared with measured data. The results show that the formulations presented in this paper can well predict the dynamic behaviors of coupled train-bridge system in cross winds with reasonable computation efforts.
* O2 `# r# i) h2 a Keywords: dynamic interaction, typhoon York , train, Tsing Ma bridge, dynamic response+ V. Z+ m& s( b/ `
对通行列车的青马大桥遭受台风约克的动态分析W. W. , H. , Y. L.土木工程学院土木结构工程系5 A, F4 l5 E7 `- R- k5 p
摘要：本文对桥梁采用模态叠加技术，建立一个风车桥体系的三维动态共同作用分析模型。提出的公式应用于青马大桥。分析了在台风约克期间，受到横风和通行列车的情况下，大跨度悬索桥的动态响应特性,并与实测数据进行比较。结果表明，在横风作用下，通过合理的计算，本文提出的公式可以较好地预测耦合车桥体系的动力特征。
8 q1 J7 @8 \4 E2 T/ \3 { 关键词：动力特征；台风约克；列车；青马大桥；动力响应
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