Fuzhou-Xiamen Railway Quanzhou Bay Cross-Sea Bridge

The Quanzhou Bay Cross-sea Bridge is a railway bridge spanning across Quanzhou Bay in Quanzhou City, Fujian Province, China. It is a key control project of the Fuzhou-Xiamen High-Speed Railway. The total length of the bridge is 20.287 kilometers, among which the length of the sea section is 8.96 kilometers. The main bridge is 800 meters long and the main span is 400 meters. It adopts a double-tower, double-suspension plane, steel-concrete composite beam semi-floating system cable-stayed bridge structure. It is the first cross-sea high-speed railway bridge in China. 

On November 30, 2021, the entire bridge was completed and opened to traffic. A total of 46 sets of viscous dampers and 38 sets of lateral limiters were used. The models and parameters are as follows: