1工程概况1.1工程简介重庆市涪陵李渡长江大桥位于涪陵市区上游李渡镇,设计起点由长江北岸李渡镇至南岸浦终点,全长822m,分主桥和南引桥。主桥为170m+398m+170m双索面等高双塔混凝土梁斜拉桥,引桥为2×42m等高混凝土连续箱梁。重庆李渡长江大桥立面图如图1所示。图1重庆李渡长 1 Project Overview 1.1 Project Profile Fuli Li Duong Bridge in Chongqing is located in the upper reaches of Fuling Li Du Town, design starting from the north bank of the Yangtze River Li Duzhen to the South Bank Pu terminus, a total length of 822m, sub-main bridge and the South Approach Bridge. The main bridge is 170m + 398m + 170m double-cable plane double-girder concrete girder cable-stayed bridge, the approach bridge is 2 × 42m high concrete continuous box girder. Li Du Yangtze River Bridge in Chongqing elevation view shown in Figure 1. Figure 1 Chongqing Li Duchang