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对沪宁线限速钢梁桥进行提速试验 ,跨度 32 m下承钣梁提速至 1 60 km/h,跨度 4 4m半穿桁梁提速至 1 40 km/h。试验表明 ,这类钢梁桥的桥梁结构强度、振幅以及脱轨安全度等均能满足目前检验标准要求。
Speed-up tests were carried out on the Shanghai-Nanjing line speed limited steel-girder bridge with a span of 32 m at a speed of up to 1 60 km / h and a span of 4 4 m at a speed of 140 km / h. The tests show that the strength, amplitude and safety of derailment of bridge structure of such steel beam bridges can meet the current inspection standards.