Core Points - The Chengda-Wanzhou High-Speed Railway (成达万高铁) has successfully completed the key construction milestone of the Quxi River Grand Bridge, which is a significant step towards its completion [3] - The bridge is the world's largest double-track high-speed railway prestressed concrete low-tower cable-stayed bridge, with a main span of 278 meters and a total length of 557.5 meters [3] - The construction team utilized innovative techniques such as the "suspension method" and conducted the final segment during nighttime to minimize temperature-induced structural deformation [3] Construction Progress - The Quxi River Grand Bridge is part of the challenging "4 tunnels and 4 bridges" control project along the Chengda-Wanzhou High-Speed Railway [3] - Currently, 130 out of 136 tunnels along the railway have been completed, with bridge construction at 86% and roadbed construction at 96% [3] - The project is now entering the phases of ballastless track, station building, and electrical engineering [3]
成达万高铁施工重难点控制性工程之一 渠江特大桥合龙
Si Chuan Ri Bao·2025-11-27 00:27