12月16日，在万里长江的入海口，由我国自主研制的世界最大直径高铁盾构机——崇太长江隧道"领航号"掘进突破10000米大关，距离长江南岸2号井仅剩 1.3千米，标志着崇太长江隧道工程向着打通"最后一公里"、实现350公里时速高铁过江的目标迈出关键性的一步。 "领航号"盾构机总长约148米，总重约4000吨，拥有直径15.4米的刀盘，拥有"独立思考、智能分析、自主判断"能力，成功实现全系统算法控制的无人化智 能掘进的常态应用，创造了15米级高铁隧道月掘进718米世界纪录。 崇太长江隧道作为我国"八纵八横"高速铁路网沿江高铁通道沪渝蓉高铁的关键控制性咽喉工程，连接上海市崇明区与江苏省太仓市，隧道全长14.25千米， 其中盾构段长13.201千米，集长(独头掘进距离11.325千米)、大(刀盘直径15.4米)、高(水下行车速度350千米/h)、深(长江水下89米)于一体，是目前建设标准 最高、掘进距离最长、规模最大的世界级高铁越江隧道工程。建成后，将大幅缩短上海、南京、合肥等沿江城市的时空距离，对打造"轨道上的长三角"、服 务长江经济带高质量发展具有十分重要的意义，崇明至上海宝山站最快17分钟可达。 a " 中 + ...

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]