我国自研世界最大直径高铁盾构机掘进突破万米大关

Core Insights - The "Linghao" shield machine has successfully surpassed the 10,000-meter mark in the construction of the Chongtai Yangtze River Tunnel, moving closer to the goal of achieving a 350 km/h high-speed rail crossing [1][4] - The Chongtai Yangtze River Tunnel is a critical project in China's "Eight Vertical and Eight Horizontal" high-speed rail network, connecting Chongming District in Shanghai with Taicang City in Jiangsu Province [4] Group 1 - The "Linghao" shield machine measures approximately 148 meters in length and weighs around 4,000 tons, featuring a 15.4-meter diameter cutter head [4] - The machine is capable of autonomous operation with intelligent analysis and decision-making, achieving a world record of 718 meters of tunnel excavation per month for high-speed rail [4] - The total length of the Chongtai Yangtze River Tunnel is 14.25 kilometers, with the shield section measuring 13.201 kilometers [4] Group 2 - The tunnel will significantly reduce travel time between cities along the Yangtze River, such as Shanghai, Nanjing, and Hefei, contributing to the development of the "Railway on the Yangtze River Delta" [4] - The construction of the tunnel is expected to enhance the quality of development for the Yangtze River Economic Belt, with a travel time of just 17 minutes from Chongming to Baoshan Station in Shanghai [4]