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在采用有限元对桥梁进行结构分析时 ,准确地确定桥梁的振动特性是非常重要的。本文简要地介绍了计算桥梁振动特性的方法 ,并详细介绍了如何简便地考虑桩土的动作用。通过对计算的结果与实测的结果比较 ,证实了本文给出的计算方法的准确性可以满足工程的要求
It is very important to accurately determine the vibration characteristics of the bridge when the finite element is used to analyze the structure of the bridge. This article briefly introduces the method of calculating the vibration characteristics of bridges, and details how to consider the action of pile-soil simply. By comparing the calculated results with the measured results, it is confirmed that the accuracy of the calculation method given in this paper can meet the requirements of the project