New "Wanli Yangtze River First Tunnel" starts construction

Xinhua News Agency, Beijing, September 7 (Reporter Fan Xi) The reporter learned from China Railway Construction Co., Ltd. that on the 7th, the new "Wanli Yangtze River First Tunnel" designed by the Fourth Court of Iron and the longest and largest road in the country Shield Tunnel -the construction of the Haitai Yangtze River Tunnel.

The Haipai Yangtze River Tunnel is a compound cross -river channel in China that was focused on the construction of the public railway in my country by 2025. It starts from Shanghai and Shaanxi Expressway, Haimen District, Nantong City, Jiangsu. About 11.2 kilometers, the diameter of the horizontal cross section of the shield is 16 meters, the design speed is 100 kilometers per hour, and two -way six -lanes are used in two -tube.

According to Zhang Di, the overall design leader of the Hai -Pacific Yangtze River Tunnel of the Fourth Court of Tie, the Haipai Yangtze River Tunnel is the longest underwater shield tunnel and the largest underwater shield tunnel in my country. Tunnels with special channels and segmented smoke can be called "milestone projects for underwater shield tunnel technology".

During the design process, the design team carried out a total of more than 60 special studies to systematically study the technologies such as tunnel structure and waterproof and fire prevention and fire prevention, disaster prevention and mitigation, green low -carbon, construction and equipment and intelligent construction management.

The Haipai Yangtze River Tunnel is connected to Suzhou Taicang City, Changshu City, and Haimen District of Nantong City. The Yangtze River urban agglomeration is of great significance.

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