总重5万吨 京台高速齐济段改扩建项目跨京沪铁路立交桥成功转体

Core Viewpoint - The successful completion of the bridge rotation in the Jinan-Qihe section of the Jing-Tai Expressway marks a significant breakthrough in the project, laying a solid foundation for the subsequent full-line connectivity [1][2] Group 1: Project Overview - The Jinan-Qihe section of the Jing-Tai Expressway is the first highway expansion project in China to upgrade from 6 lanes to 12 lanes [2] - The project is invested and constructed by Shandong Highway Group and undertaken by China State Construction Engineering Corporation [2] Group 2: Technological Innovations - The project utilizes advanced technologies such as "large segment intelligent cantilever bridge construction machine + rotation construction" to address challenges like large construction volume and high safety risks [1] - The bridge rotation was achieved with millimeter-level precision in a 70-minute operation, showcasing China's technical strength in large bridge rotation construction [1] Group 3: Strategic Importance - The project integrates cutting-edge digital technologies, including artificial intelligence and big data, to create a comprehensive smart management platform [2] - Upon completion, the project will enhance the traffic capacity of the national highway network and support the ecological protection and high-quality development strategies in the Yellow River basin [2]