Group 1 - The Chongqing to Wanzhou high-speed railway has a total length of 251 kilometers and a design speed of 350 kilometers per hour, forming an important part of the national "eight vertical and eight horizontal" high-speed railway network [7] - Upon completion, the railway will significantly enhance connectivity between the northeastern Sichuan Three Gorges Reservoir area and the main urban area, facilitating travel for local residents and promoting economic and social development along the route [7] - The project is crucial for the implementation of the Chengdu-Chongqing economic circle strategy and supports the integration of the "Belt and Road" initiative with the Yangtze River Economic Belt [7] Group 2 - The Wubu River double-line viaduct of the Chongqing to Wanzhou high-speed railway spans 1796 meters and includes 48 piers, with 20 piers exceeding 50 meters in height, presenting multiple challenges including high safety risks and technical difficulties [4] - The construction company, China Railway 12th Bureau, has developed a new bridge construction management model centered on an "intelligent bridge construction platform + intelligent cantilever bridge machine," promoting digitalization and intelligent decision-making in large-span continuous rigid structure construction [4]
全长1796米 渝万高铁五步河双线特大桥合龙
Yang Shi Xin Wen·2025-09-24 09:16