新渝万高铁新桥双线特大桥顺利合龙

Core Points - The new Chongqing to Wanzhou high-speed railway (referred to as "New Yuwan High-speed Railway") has successfully completed the main bridge's connection, laying a solid foundation for the timely operation of the entire line [1][2] - The New Yuwan High-speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, connecting key regions and enhancing transportation efficiency [2] Summary by Sections Project Overview - The New Yuwan High-speed Railway features a total length of 251 kilometers and a design speed of 350 kilometers per hour, starting from Chongqing East Station and connecting to Wanzhou North Station [2] - The newly constructed double-line bridge spans 1,848 meters and is located in the Fuling District of Chongqing, with a maximum pier height of 100 meters [2] Construction Techniques - The bridge construction utilized a method that involved breaking down 64-meter simple beams into 17 segments of approximately 4 meters each, employing a factory-prefabrication approach for enhanced safety and simplicity compared to traditional methods [2] Economic Impact - The completion of the New Yuwan High-speed Railway is expected to facilitate convenient connections between the northeastern Sichuan Three Gorges Reservoir area and the main urban area of Chongqing, significantly benefiting local residents and promoting economic and social development along the route [2]