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广东省南海县九江大桥在距广州市60公里处跨越西江主干流,全长1690米,桥宽16米,通航孔主跨经多种方案比较,选择了32×160米独塔斜张桥以争取工期和降低造价。南北两河槽分别采用14孔和7孔的50米顶推连续梁。两岸引桥为16米预应力空心板。本文重点介绍2×160米独塔斜张桥的设计与施工。桥型如图1。
Jiujiang Bridge in Nanhai County, Guangdong Province, crossed the main stream of Xijiang River at a distance of 60 kilometers from Guangzhou City with a total length of 1690 meters and a bridge width of 16 meters. Through comparison of various schemes of navigable hole main spans, 32 x 160 meters single- Strike construction period and reduce the cost. North and south two troughs were used 14 holes and 7 holes of 50 meters to push the continuous beam. Crossing the bridge for 16 meters of prestressed hollow slab. This article focuses on the design and construction of 2 × 160 m single tower oblique bridge. Bridge type shown in Figure 1.