立交独柱墩匝道桥抗倾覆分析及加固方法研究

Research on Anti Overturning Analysis and Reinforcement Method of Single Column Pier Ramp Bridge in Interchange

为解决立交独柱墩匝道桥抗倾覆能力弱,全桥整体刚度不足的问题,开展立交独柱墩匝道桥抗倾覆分析及加固方法研究。在明确工程项目基本信息的基础上,构建有限元模型,完成对匝道桥抗倾覆相关参数的计算。通过增设墩柱、增设盖梁、加粗墩柱等方式实现对匝道桥的加固,提升全桥刚度,促进匝道桥抗倾覆能力的提升。

In order to solve the problem of weak anti overturning ability and insufficient overall stiffness of the overpass single column pier ramp bridge,a study on anti overturning analysis and reinforcement methods of the overpass single column pier ramp bridge was carried out.On the basis of clarifying the basic information of the engineering project,a finite element model is constructed to calculate the parameters related to the anti overturning of the ramp bridge.Strengthening the ramp bridge by adding pier columns,adding cap beams,and thickening pier columns can enhance the overall stiffness of the bridge and promote its ability to resist overturning.