Combined with the construction practice, the paper analyzed the influence of coupled thin-walled pier tie beam to seismic performance of continuous rigid frame bridge.%以某双肢薄壁墩连续刚构桥梁工程为依托,采用有限元软件Midas/Civil建模,对结构进行了动力特性和地震反应谱计算,分析了桥墩系梁的设置对双肢薄壁墩连续刚构桥梁自振特性和抗震性能的影响。给出合理确定桥墩系梁数量的原则和建议。
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