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评定桥梁结构技术状态的好坏,除了作一些必要的理论检算外,近年来多通过试验手段,测定结构在活载作用下的受力及变形情况来判断。其中尤以测定结构在动荷载作用下所表现出来的动力特性(如振幅、频率、振型等物理量)更为重要。这里就需要有一个标准,以资比较。铁路桥梁检定规程第5—20条列出了评定结构技术状态的实测参考限值。 自从铁路桥梁检定规程公布后,有些铁路
Assessment of the technical status of the bridge structure is good or bad, in addition to some of the necessary theoretical calculations, in recent years more than the test means to determine the structure under live load force and deformation to judge. Among them, the dynamic characteristics (such as physical quantities such as amplitude, frequency and vibration type) exhibited by the measurement structure under dynamic load are more important. Here you need to have a standard for comparison. Article 5-20 of the Railway Bridge Verification Regulation lists the actual reference limits for assessing the technical status of the structure. Since the railway bridge test procedures announced, some railways