摘要研究目的：框架结构正线桥在铁路桥梁设计中比较少见,通过本文的研究评价虹桥站框架结构体系在200 km /h正线桥梁结构中应用的合理性。
研究结论：本文采用“车辆-结构”耦合动力分析的方法对虹桥站框架结构体系正线桥梁结构在200 km /h列车通过下的结构安全性、列车安全性与平稳性及乘客舒适性进行全面评价。分析表明,动车组列车在虹桥站框架结构体系上以200 km /h运行时,结构的安全性、列车运行的安全性与平稳性及乘客的舒适应完全满足要求。因此,为满足建筑使用功能及风格统一的要求,建议在“房桥合”的高速铁路站房体系中的高速正线结构采用框架结构体系,为确保安全建议在静力计算满足要求的前提下进行“车辆-结构”的耦合动力分析。
Abstract：Research purposes: The flame structure is farely used for the main—linerailway bridge．This paper studies the rationality of application of frame structure system in the main—-line bridge in the Hongqiao Railway Station in Shanghai with the train speed of 200 km／h．
Research conclusions: In this paper，the safety of structure，the safety and stability of train and the comfortableness of passenger are fully evaluated with the train—structure coupling dynamic analyse method．The analyse results show when the train rails at a speed of at least 200 km／h over the main—line bridge with frame structure in Hongqiao Railway Station，the safety of structure，the safety and stability of train and the comfortableness of passengem meet the design demand．As a result，in order to satisfy the requirement of integration of building function with the building style，it is suggested that the frame structure system is applied in the main—line railway bridge when the building and bridge are integrated in the railway station．It is also suggested that the train—structure coupling dynamic analysis should be made on premise of meeting the requirement of static calculation．
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2010, Vol. 27 
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