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佛肇城际标桂丹立交特大桥主跨为75+86+168+86+75矮塔斜拉桥,矮塔斜拉桥为连续梁与斜拉桥组合而成的一种产物,工程主梁为变高度单箱双室斜腹板无翼缘板预应力混凝土梁,两主墩0号块其结构尺寸与混凝土体积在城际铁路同类桥梁中较罕见,且一次性整体浇筑成型。介绍了施工过程中模板支架加固、混凝土一次浇筑成型等技术。
Foshan Zhaozhao inter-city standard Gui Dan flyover bridge main span of 75 +86 +168 +86 +75 dwarf tower cable-stayed bridge, dwarf cable-stayed bridge for the continuous beam and cable-stayed bridge a combination of a product, the project owner Beam is the height of single box double room inclined web without flange plate prestressed concrete beam, the two main piers block No. 0 its size and concrete volume in the inter-city rail bridge of similar rarer, and a one-time overall pouring molding. The technique of template support reinforcement and concrete pouring forming during construction is introduced.