小龙湾大桥结构设计与结构参数研究

Study on Structural Design and Structural Parameters of Xiaolongwan Bridge

为研究自锚式悬索桥结构参数对设计工作影响,结合midas Civil计算软件运用非线性有限元法确定成桥合理状态,通过结构静力分析,对小龙湾大桥箱梁边中跨比、桥塔高度、缆索矢跨比等结构设计参数进行比选,选择较为适合的设计参数,保证了结构设计的安全性及经济性。

In order to study the influence of structural parameters of self-anchored suspension bridge on design work,combined with midas/Civil calculation software,the nonlinear finite element method is used to determine the reasonable state of the completed bridge.Through structural static analysis,the mid-span ratio and bridge span of the box girder of Longwan Bridge are determined.The structural design parameters such as tower height and cable vector span ratio are compared and selected.The more suitable design parameters are selected to ensure the safety and economy of the structural design for reference.