Core Viewpoint - The construction of the Xuanhuan Bridge for the Shanghai-Chongqing-Chengdu High-Speed Railway over the Beijing-Hangzhou Grand Canal in Yangzhou, Jiangsu, is currently in full swing [1][2][3][4]. Group 1 - The Xuanhuan Bridge is a significant infrastructure project aimed at enhancing connectivity along the high-speed railway network [1][2]. - The construction progress is reported to be robust, indicating a strong commitment to completing the project on schedule [3][4].

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]

Core Viewpoint - The successful topping of the main tower of the Hu-Yu-Rong high-speed railway's cable-stayed bridge marks a significant milestone in the construction of this critical infrastructure project, transitioning to the next phase of steel beam and cable installation [2]. Group 1: Project Details - The bridge is located in Yangzhou, Jiangsu Province, and is a key control project for the Hu-Yu-Rong high-speed railway, which is part of the national "eight vertical and eight horizontal" high-speed rail backbone network [2]. - The bridge spans 564.3 meters with a main span of 300 meters [2]. - The Hu-Yu-Rong high-speed railway has a total length of approximately 2100 kilometers and is designed for a speed of 350 kilometers per hour [2].

Core Points - The construction of the Xihu-Yu-Rong High-Speed Railway's cross-King-Hang Canal cable-stayed bridge has successfully completed the steel-concrete segment installation on both sides of the main bridge [5][11][15] - The upper structure construction of the main bridge has transitioned to the steel beam cantilever assembly stage, with the main tower construction completed at 90% [5][11][15] - This bridge is a key control project along the Xihu-Yu-Rong High-Speed Railway, which is part of the national "Eight Vertical and Eight Horizontal" high-speed rail backbone network [5][11][15] - The bridge spans a total length of 564.3 meters, with a main span of 300 meters [5][11][15] - The total length of the Xihu-Yu-Rong High-Speed Railway is approximately 2100 kilometers, designed for a speed of 350 kilometers per hour [5][11][15]