The Jialing River Grand Bridge, a part of the Chengdu-Dazhou-Wanzhou Railway, was closed. The bridge, which was constructed by Sichuan Road & Bridge Group Co., Ltd. and financed by Sichuan Shudao Railway Operation and Management Group Co., Ltd., is the longest bridge of its type in the world.
The 6,225-meter Jialing River Grand Bridge with a 328-meter main span connects Nanchong´s Shunqing District and Gaoping District, in Southwest China’s Sichuan Province. It is one of the major projects of the Chengdu-Dazhou-Wanzhou Railway, which includes three channels and four bridges. The two main towers of the Jialing River Grand Bridge are 117.5 meters and 112.5 meters tall. The bridge has 11 steel box girders, and the one used in this closure is 2.11 meters long, 14.2 meters wide, 6.5 meters high and weighs 28.2 tons.
The Jialing River Grand Bridge is a cable-stayed bridge with low towers and hybrid girders that enables trains to operate on it at a speed of 350 kilometers per hour. Faced with diverse construction issues, the builders used buoyancy tanks to transport steel box girders to certain parts in the center of the river, elevate them with a 280-ton bridge deck lifter, and install them using advanced technologies, thereby achieving high-precision closure.
The Chengdu-Dazhou-Wanzhou Railway is a crucial part of the Yangtze River passage, which is part of China’s “Eight Vertical and Eight Horizontal” railway network. The railway starts in Chengdu, the capital of Sichuan, passes by the cities of Ziyang, Suining, Nanchong and Dazhou, and finally connects to Kaizhou and Wanzhou districts in Southwest China’s Chongqing. It will promote vital connectivity between Sichuan and the Yangtze River Delta and the Beijing-Tianjin-Hebei economic zone, and greatly facilitate interaction within the Chengdu-Chongqing economic circle.
(Executive editor: Zuo Shihan)
