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长广河大桥是大沽河堤顶道路跨越支流长广河的一座桥梁,为适应大沽河改造总体景观要求,经过方案比选后选用景观效果较好的预应力混凝土梁拱组合桥。该文主要介绍其设计要点,包括上部构造、预应力钢束布置及计算分析,可为相似景观桥梁的设计提供参考。
Chang-Guang River Bridge is a bridge over the Dagu River embankment over the Yangtze River tributary of the bridge, in order to adapt to the overall landscape Dagu River reconstruction requirements, after comparing the selection of programs better landscape effect prestressed concrete beam arch bridge. This paper mainly introduces the design essentials, including the superstructure, the layout of prestressed steel strands and the calculation and analysis, which can provide references for the design of similar landscape bridges.