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由铁道科学研究院主持完成的“京秦线常用跨度混凝土T型梁桥 2 0 0km·h- 1 提速改造加固方法研究”课题 ,2 0 0 3年 9月2 4日通过评审。这项研究是为了解决既有铁路在列车提速到 2 0 0km·h- 1 状态下的桥梁动力响应问题而设立的。课题组采用理论分析与现场试验相结合的方法 ,
The project of “Study on Reinforcement Method of Speed-Increased Transformation and Improvement of 200 km · h-1 Commonly-Span Concrete T-Beam Bridge on Beijing-Qinhuangdao Line” presided over by the Academy of Railway Science and Technology was approved on September 24, 2003. This study was conducted to solve the problem of dynamic response of existing bridges to the bridge under the condition of train speed up to 200km · h-1. The research team adopted the method of combining theoretical analysis with field test,