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]

Core Insights - The Shunde Bridge project, constructed by China Communications Road & Bridge, significantly reduces travel time between Daliang and Ronggui from 40 minutes to just 5 minutes [1] - The bridge spans 2.62 kilometers and features a main span of 626 meters, making it a notable engineering achievement in Foshan [1][3] - The project employs a unique steel-concrete composite tower design, with the Ronggui side tower reaching 204 meters and the Daliang side tower at 151 meters [3] Engineering Innovations - The project team developed a "multi-functional self-climbing steel tower hoisting machine" to overcome technical challenges in construction, which integrates multiple functions for enhanced efficiency [5] - This innovative hoisting machine has been recognized in various awards, including the 2022 Top Ten News in Transportation Science and Technology in China [5] - The new construction techniques and equipment have the potential to revolutionize the installation of steel towers and beams in bridge construction [5] Economic and Social Impact - The Shunde Bridge is a key component of the urban development strategy in Shunde District, aimed at enhancing regional connectivity and alleviating traffic congestion on the existing Desheng Bridge [7] - The bridge will facilitate faster transportation links to major urban areas, promoting economic collaboration in strategic industries such as renewable energy and biomedicine [8] - The project is expected to increase land development value and attract more investments, particularly in high-end residential areas near the bridge [8]