On January 24, 2022, the Chongqing Baijusi Yangtze River Bridge, the world's largest span road-rail dual-use steel truss cable-stayed bridge invested and constructed by the Second Aviation Administration, was completed and opened to traffic.

The Baijusi Yangtze River Bridge Project is a control project of Chongqing's "seven horizontal lines" crossing the Yangtze River, connecting Dadukou District and Banan District, with a total length of about 3.7 kilometers. The main bridge of Baijusi Yangtze River Bridge has a total length of 1384 meters and a main span of 660 meters. The upper deck is 38 meters wide. It is a two-way 8-lane urban expressway. The lower deck is 19.2 meters wide. It is reserved for Chongqing Rail Transit Line 18 to cross the river. aisle. The two main towers of the bridge are 236 meters high and adopt a spatial multi-curved water drop-shaped concrete structure, which is the highest bridge tower in the main urban area of Chongqing.

The project construction team applied BIM technology to overcome the problem of linear control of the spatial special-shaped structure of the teardrop-shaped bridge tower, and completed the construction of the upper-span railway section safely through the developed "self-propelled integrated closed protection platform", withstood the flood control pressure of the Yangtze River during the flood season, and completed the bridge on schedule. construction tasks.

The bridge is completed and opened to traffic, connecting the four administrative regions of Chongqing Jiangjin, Jiulongpo, Dadukou and Banan in series, becoming an important passage connecting Chongqing Banan Longzhouwan Area and the Yangtze River Culture and Art Bay Area, effectively easing the rapid development of Chongqing's inner ring. The road congestion situation drives the economic development along the route.Editor/Ma Xue