沪渝蓉高铁南通地区建设提速

Group 1 - The completion of the box girder installation for the Nanjing section of the Huhang Railway marks a significant progress in the main engineering phase, laying a solid foundation for subsequent bridge deck construction and track-laying operations [1] - The Huhang Railway Nanjing section spans 18.08 kilometers and includes various infrastructure components such as the main line, station renovations, and expansion projects [1] - The project team faced numerous technical challenges, including construction near operational lines and steep gradients, and successfully utilized an automated beam transport system to ensure stability and continuity during the construction process [1] Group 2 - The Huhang Railway is a crucial part of the national "eight vertical and eight horizontal" high-speed railway network and plays a key role in the intercity rail transit system of the Yangtze River Delta [2] - Upon completion, the project will significantly enhance the railway network layout in the Yangtze River region and support the high-quality development of the Yangtze Economic Belt and the integration strategy of the Yangtze River Delta [2]