洛溪大桥拓宽工程斜拉桥设计

Cable-stayed Bridge Design Plan for the Widening Project of Luoxi Bridge

洛溪大桥经方案比选采用双塔双索面叠合梁斜拉桥,主跨305 m,主梁采用钢-砼叠合梁,主塔采用变异钻石型塔,斜拉索采用Ф7 mm环氧涂层平行钢丝,塔墩基础采用群桩。桥梁造型优美,其建设将加快广州大道快捷化进程。文中重点介绍其斜拉桥结构设计。

Through comparison and selection,a composite cable-stayed bridge with two pylons and double cable design is adopted for Luoxi Bridge.The relevant parameters for Bridge includes305m main span,steel-concrete composite girder,modified diamond shape pylon,7mm parallel cable with epoxy coating and the pile-group pylon piers.With an elegant appearance,the Bridge will accelerate the traffic of Guangzhou Avenue.