通苏嘉甬高铁苏南特大桥 第100孔箱梁顺利完成架设

Core Viewpoint - The successful completion of the 100th precast box girder installation for the Tong-Su-Jia-Yong High-Speed Railway marks a significant advancement in the construction of the bridge's superstructure, indicating accelerated progress in the project [1] Group 1: Project Overview - The Tong-Su-Jia-Yong High-Speed Railway is a crucial part of the national high-speed railway network, specifically the coastal railway passenger transport corridor, and plays a vital role in enhancing Suzhou's transportation hub status and promoting regional economic and social development [1] - The Su-Nan Grand Bridge, a key challenging project along the railway, spans approximately 25 kilometers and crosses complex environments, including seven high-grade road crossings and twelve dense water networks, while being in proximity to populated areas [1] Group 2: Construction Techniques - The project team has developed a tailored installation plan utilizing a comprehensive control model that includes "simulation rehearsal - real-time monitoring - review and optimization" to overcome construction challenges such as soft soil settlement and water-rich geological conditions [1] - The use of BeiDou positioning technology has enabled precise control of box girder installation errors, ensuring the efficient completion of the precast box girder installation tasks [1]