设计时速350公里！这条高铁有新进展

Core Viewpoint - The successful topping out of the main tower of the Xihu-Yu-Rong high-speed railway's cable-stayed bridge marks a significant milestone in the project, transitioning to the installation phase of steel beams and cable stays [1] Group 1: Project Details - The Xihu-Yu-Rong high-speed railway features a cable-stayed bridge that spans 564.3 meters, with a main span of 300 meters and a tower height of 128 meters, equivalent to a 45-story building [1] - The project is part of China's "Eight Vertical and Eight Horizontal" high-speed rail backbone network, with a total length of approximately 2100 kilometers and a design speed of 350 kilometers per hour [1] Group 2: Construction Efficiency - The project team utilized intelligent hydraulic climbing formwork technology, which improved work efficiency by 40% [1] - The verticality and axial deviation of the tower meet millimeter-level precision, exceeding standard requirements, thus ensuring reliable support for subsequent cable stay and steel beam installations [1] Group 3: Economic and Strategic Importance - The completion of the Xihu-Yu-Rong high-speed railway will significantly contribute to the development of the "Railway on the Yangtze River," optimize the railway network layout in the Yangtze River region, and support the high-quality development of the Yangtze Economic Belt [1] - It will also promote the integrated high-quality development of the Yangtze River Delta region [1]