独塔不对称斜拉桥合拢方案的选择与优化

The selection and optimization of the single-tower cable-stayed bridge closure scheme

根据独塔单索面复合式牵索挂篮的结构特点及主跨合拢的施工特点,对原有合拢方案进行选择与优化,采取一种较为新颖的施工方案。介绍了这种合拢方案的施工工艺流程,为同类型斜拉桥的施工及合拢提供实践经验。

The structure characteristics and the construction characteristics of main span closure to the Single Pylon and Single Cable Plane composite guyed form traveler; We make the choice and optimization to the original closure scheme and adopt a new construction scheme. This paper introduces the construction process of the closure scheme,provide practical experience to construction and erection of the same type cable stayed bridge.