Preface
Since the beginning of the twenty-first century, the construction scale and construction technology of underwater tunnels in China have developed rapidly with the construction of a large number of large river-crossing shield tunnels. At present, dozens of large-diameter underwater tunnels have been built in China, including Wuhan Yangtze River Tunnel, Shanghai Yangtze River Tunnel, Nanjing Yangtze River Tunnel, Guangshen Port Shiziyang Tunnel, Wuhan Sanyang Road Yangtze River Tunnel, Wuhan Metro Line 8 River-crossing Tunnel, etc.
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