雄忻高铁清水河特大桥顺利合龙

Core Points - The completion of the mid-span pouring of the Qing Shui He Grand Bridge marks the successful closure of the bridge, entering the bridge deck construction phase [1] - The Xiongxin High-speed Railway, which spans approximately 342 kilometers, is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network and is the first high-speed railway in Shanxi Province designed for a speed of 350 km/h [1] - The Qing Shui He Grand Bridge, located in Wutai County, Shanxi Province, is about 1.4 kilometers long with 36 piers, the highest of which reaches 75.5 meters [1] Construction Techniques - The bridge's superstructure employs various complex construction techniques, including cast-in-situ methods, cantilever casting brackets, movable formwork, and continuous beam formwork [1] - The construction faced multiple challenges, including high safety risks and tight schedules, since the first pile foundation was constructed on March 16, 2023 [1] Safety Measures - To enhance construction safety, the construction unit implemented full monitoring of key processes such as the assembly of cantilever brackets and movable formwork, along with individual inspections of load-bearing components [2] - Automatic sprinkler systems and firewalls were installed on both sides of the bridge to control dust and maintain air quality in the scenic area, while also eliminating fire hazards from welding and other operations [2] Economic Impact - The completion of the Xiongxin High-speed Railway is expected to significantly contribute to Shanxi Province's integration into the Beijing-Tianjin-Hebei coordinated development strategy and promote high-quality regional economic and social development [2]