Key Construction Techniques for Large Diameter Shield Tunnel Crossing Circular Ventilation Shaft

Key Construction Techniques for Large Diameter Shield Tunnel Crossing Circular Ventilation Shaft

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Based on the construction of Nanjing Weisan Road Yangtze River Tunnel, this book comprehensively introduces the new technology of large-diameter shield tunnel construction crossing circular air shafts. It focuses on four aspects: the construction technology of super-deep circular air shaft foundation pit retaining structure in the sensitive environment near the river, underwater excavation and underwater massive concrete sealing bottom construction technology, adaptive improvement of TBM and construction technology of crossing air shaft, and control technology of super-deep foundation pit stab...