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对高速铁路中的大跨度混凝土桥梁作了简要的介绍．将列车和桥梁作为一个联合动力体系，以一座跨径布置为８０ ＋ ２ ×１６０ ＋ ８０ｍ 的连续刚构混凝土桥梁为研究对象，对高速列车过桥时的空间振动响应进行了计算和分析，并对列车运行的走行性进行了评价
The brief introduction of long-span concrete bridges in high-speed railway is given. Taking train and bridge as a joint power system, a continuous rigid-frame concrete bridge spanning 80 + 2 × 160 + 80m is taken as the research object to calculate and analyze the spatial vibration responses of high-speed trains passing through the bridge. The running of the train was evaluated