创新设计 拱桥如巨弓跨沱江——成渝中线高铁沱江特大桥合龙

Core Viewpoint - The completion of the main beam of the Tuojiang Grand Bridge marks a significant milestone in the construction of the Chengyu Central High-Speed Railway, which is expected to be operational by the end of 2027, reducing travel time between Chengdu and Chongqing to 50 minutes [1] Group 1: Project Details - The Tuojiang Grand Bridge, located in Shizhong Town, Jianyang City, has a total length of 1,252 meters [1] - The bridge features an innovative design with a "Feiyan" style double-row bearing no thrust arch bridge structure, enhancing stability and balance [1] - Construction utilized virtual assembly technology for precise simulations, ensuring accurate completion of the bridge [1] Group 2: Construction Progress - Following the completion of the bridge, the project will move on to the construction of the bridge deck and auxiliary facilities, with track laying expected to start in May next year [1] - The overall progress of the Chengyu Central High-Speed Railway is on track, with key projects including "two tunnels and one bridge" advancing according to schedule [1] Group 3: Strategic Importance - The Chengyu Central High-Speed Railway is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, connecting major cities along the Yangtze River [1] - The railway line spans 292 kilometers, starting from Chongqing North Station and leading to Chengdu Station [1]