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地震对于桥梁造成的危害巨大,本文以实际工程为背景,采用通用有限元程序对于不同墩高和墩柱直径的连续梁桥建立有限元模型并进行地震反应谱分析,通过对桥墩受力特性等的分析得出对于本桥地震中受力最不利的墩高和采用最合理的墩柱直径的原理,对于防止震害、合理利用材料以及以后的工程设计和建立模型有一定的参考价值。
In this paper, the common finite element program is used to establish the finite element model of the continuous girder bridge with different piers height and pier diameter, and the seismic response spectrum is analyzed. Based on the mechanical characteristics of piers, The conclusion is that the principle of using the most reasonable pier height and the most reasonable pier diameter for the earthquake in this bridge is of certain reference value for preventing earthquake damage, rational utilization of materials and subsequent engineering design and establishment of models.