中文摘要：

为研究高烈度区域内,抗震支座对曲线连续梁桥的减震性能,采用有限元软件Midas Civil 2015分别建立设置普通橡胶支座与高阻尼橡胶支座的全桥三维模型,采用加速度峰值修正的EI Centro波作为地震动输入,对同样地震力作用下,桥梁结构的位移和内力响应进行对比分析,并采用弯矩-曲率曲线对其减震效果进行研究。分析结果表明,设置高阻尼橡胶支座能够有效地改善桥梁墩顶位移与墩身、桩身内力,抗震支座对横向位移减小效果明显,且由于改变了全桥的刚度分布,使得普通支座模型中承受较大弯矩的矩形墩内力大幅度减小,全桥内力趋于合理化。

英文摘要：

In order to study the seismic performance of curved continuous beam bridge in high seismic intensity region,the 3 D models of the whole bridge with and without seismic bearing are established by using the finite element software Midas Civil 2015.The EI Centro wave with peak acceleration modified is used as the input of ground motion,and the displacement and internal force response of the bridge under the same seismic force are compared and analyzed,and the moment curvature curve is used to study the damping effect.The results show that：high damping rubber bearing can improve the displacement of pier and internal force of pier and pile effectively,the effect of seismic support for lateral displacements is obvious,and due to the change of the whole bridge stiffness distribution,the bending moment of rectangular pier in ordinary support model decreases a lot using seismic rubber bearing,the internal force of the whole bridge is reasonable.