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绍兴市曹娥江袍江大桥是一座三主跨连续长系杆中承式钢管混凝土拱桥,在施工阶段,逐跨设置了临时短系杆平衡拱肋水平推力,整个上部结构加载程序复杂,施工难度大,应力控制困难。该文对大桥整个上部结构加载程序设计及施工进行了较为详细的介绍。
Shaoxing City Cao’e Jiang Paojiang Bridge is a three-main-span continuous long-tiered CFST arch bridge. During the construction phase, horizontal thrust of temporary short-bar balanced arch ribs is set up across the span. The loading procedure of the entire superstructure is complex and the construction is difficult Stress control is difficult. This paper introduces the design and construction of the entire superstructure loader of the bridge in detail.