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本文介绍了研究高速铁路桥梁动力性能及竖向刚度限值的方法及分析模型，给出了高速铁路桥梁振动出现峰值时的行车速度与车辆长度及结构振动频率之间的关系；初步提出了高速铁路桥梁竖向刚度的限值要求和桥梁振动响应的大小。
This paper introduces the method and the analysis model of dynamic performance and vertical stiffness limit of high-speed railway bridges, and gives the relationship between driving speed, vehicle length and structure vibration frequency when the peak of high-speed railway bridge vibration occurs. Limit Requirements of Vertical Rigidity of Railway Bridges and Bridge Vibration Response.