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Nanjing Yangzi River Tunnel
Published:2018/2/5 9:41:29

The total length of the project is 7.3km, of which two shield sections are 3557m and 4135m long respectively. According to the urban expressway standard, the design speed is 80km/h. It is the large diameter (15m) shield tunnel with the largest buried depth (53m) and the largest water and soil pressure (0.73MPa) at present. The project adopts double tube double deck and X type 8 lanes. At the same time, the precast Lane plate is first used at home and abroad to connect the wet joints to form the design and construction technology of the frame structure inside the tunnel. The investment estimate was 5 billion 670 million yuan, the design was completed in May 2011, and the traffic was officially opened in January 1, 2016.