张靖皋长江大桥北航道桥北锚碇锚块施工完成

Core Insights - The construction of the north anchor block for the North Navigation Bridge of the Zhang Jinggao Yangtze River Bridge has been successfully completed, marking a significant milestone in the project [1][3]. Group 1: Structural Details - The anchor block is a critical component of large-span suspension bridges, referred to as the "stabilizing force" of the bridge, designed to withstand the tension of the main cable and stabilize the structure [3][5]. - The north anchor block features a left-right symmetrical split-type triangular frame gravity anchor design, with a total weight of 134,000 tons and composed of 17 layers, requiring a total of 55,000 cubic meters of concrete [3][5]. Group 2: Construction Challenges and Solutions - The project team faced extreme weather conditions, including low temperatures in winter and high temperatures in summer, and focused on achieving the goals of "seamless anchor body and water-free anchor chamber" [5]. - Various measures were implemented to strictly control temperature, including the installation of cooling water pipes within the concrete structure to lower temperatures, and optimizing the concrete mix design based on climate characteristics and strength requirements [5]. - An intelligent monitoring system for large-volume concrete was introduced, which integrates real-time monitoring, user management, and automated control, allowing for precise tracking of temperature differences and trends, ensuring high-quality construction standards [5].