通甬高铁苏州东隧道“红船号”盾构机顺利始发

Core Viewpoint - The successful launch of the "Red Boat" shield machine for the Suzhou East Tunnel marks a significant milestone in the construction of the Tong-Ning High-Speed Railway, showcasing advancements in intelligent tunneling technology and green construction methods [1][2][3] Group 1: Project Overview - The Suzhou East Tunnel is a key control project of the Tong-Ning High-Speed Railway, with a total length of 2289.7 meters and a design speed of 350 kilometers per hour [1] - The tunnel features a single-hole double-track design and employs both shield tunneling and open-cut construction methods [1] - The shield section of the tunnel is 1586.7 meters long, utilizing a domestically produced shield machine with a diameter of 14.82 meters [1] Group 2: Technological Innovations - The "Red Boat" shield machine is customized for the unique geological conditions, integrating an "intelligent tunneling brain" system for autonomous decision-making and operation [2] - The machine's capabilities include intelligent tunneling, smart assembly of curved segments, intelligent sensing, and advanced geological forecasting [2] - A dual-liquid slurry system for synchronous injection of "cement-water glass" allows for precise control of surface and segment uplift during tunneling [2] Group 3: Environmental Considerations - The project adopts a modular structure for slurry treatment, combining various technologies for efficient and environmentally friendly construction [2] - The construction method aims for "zero leakage, zero discharge, and zero pollution," addressing challenges in tunneling through fine-grained geological conditions [2] Group 4: Strategic Importance - The Tong-Ning High-Speed Railway is a crucial part of China's "eight vertical and eight horizontal" high-speed rail network, enhancing connectivity in the Yangtze River Delta region [3] - The new line spans 301 kilometers and includes 10 stations, with a construction period of five years [3] - Upon completion, it will connect with multiple existing rail lines, facilitating travel and promoting high-quality development in the region [3]