沪宁合高铁南京枢纽项目迎多个关键建设节点新进展

Core Insights - The completion of the main construction of the Nanjing Liuhe Grand Bridge, a key project in the Shanghai-Nanjing-Hefei High-Speed Railway (referred to as "Shu-Ning High-Speed Railway"), marks a significant milestone for the project [1][2] - The Shu-Ning High-Speed Railway is an essential part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, connecting major cities and enhancing transportation efficiency in the Yangtze River Delta region [2] Group 1 - The Nanjing Liuhe Grand Bridge spans 520 meters, with a main span of 220 meters, and its completion lays the groundwork for subsequent bridge deck construction and overall line connectivity [1] - The project employs intelligent construction techniques, utilizing linear intelligent monitoring technology to collect and analyze data on stress, deformation, and temperature during construction, enabling precise adjustments for high-accuracy completion [1] - Recent advancements include the successful rotation of a 6,300-ton turning beam and the completion of the cross-Chu River cable-stayed bridge, facilitating further construction activities [1] Group 2 - The Shu-Ning High-Speed Railway, starting from Shanghai and passing through several cities, covers approximately 554 kilometers with a design speed of 350 km/h and includes 16 stations [2] - The railway is expected to serve as a major transportation route for passenger flows between the Yangtze River Delta and coastal areas, significantly contributing to the development of a rapid transit corridor in the region [2] - The completion of this project will optimize the railway network layout along the Yangtze River and enhance connectivity between urban agglomerations in Shanghai, Nanjing, and Hefei [2]