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承受张靖皋长江大桥主缆拉力 世界最大复合地连墙锚碇“填芯”收官
Yang Zi Wan Bao Wang· 2025-05-07 07:37
Core Insights - The completion of the core foundation construction for the Zhang Jinggao Yangtze River Bridge marks a significant milestone in the project, with the final C30 concrete poured into the foundation pit [1] - The bridge, which will feature the world's largest span for a suspension bridge, is designed to enhance connectivity in the Yangtze River Economic Belt and the Yangtze River Delta integration [6] Construction Details - The northern anchor of the bridge, located on the island of Mazhou, measures 118.05 meters in length and 75.05 meters in width, and has been constructed to withstand over one million tons of tensile force [3] - A total of 110,000 cubic meters of concrete has been poured, equivalent to filling 44 standard swimming pools, using an innovative three-layer pouring technique [3] - The project faced significant challenges, including material transportation issues, adverse weather conditions, and the need for technical innovations [3][5] Project Management Strategies - The project team implemented a 24-hour material response mechanism to ensure efficient logistics and quality control [5] - Collaboration with meteorological and emergency management departments allowed the team to optimize construction schedules based on weather conditions [5] - Technological advancements included transforming existing platforms for multi-functional use and upgrading traditional methods to improve efficiency in concrete pouring [5] Future Impact - Upon completion, the bridge will reduce travel time from Zhangjiagang to Rugao from one hour to just 20 minutes, significantly improving regional connectivity [6] - The bridge is part of the "14th Five-Year Plan" key river crossing projects, linking major highways and enhancing the transportation network across the region [6]