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MODERN TUNNELLING TECHNOLOGY 2015, Vol. 52 Issue (4) :55-61    DOI:
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Risk Control for Saturated Hyperbaric Intervention in Slurry Shield Tunnelling
1 CCCC Tunnel Engineering Co., Ltd 2 CCCC Nanjing Weisan Road River-Crossing Tunnel Construction Headquarters
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Abstract Saturated hyperbaric intervention technology has the advantages of high efficiency and security, but it also has many risks. Based on the Nanjing Weisan Road river-crossing tunnel project, the technological process of saturated hyperbaric intervention is introduced in detail, and the risks concerning geology, unstable pressure on the tunnel face, physical effects and equipment failure are analyzed, with corresponding countermeasures given. The practices show that these risks in the process of saturated hyperbaric intervention are controllable and suitable solutions can be made according to various existing risks and engineering features.
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Keywords： Tunnel     Slurry shield     Saturated hyperbaric intervention     Risk analysis     
Abstract： Saturated hyperbaric intervention technology has the advantages of high efficiency and security, but it also has many risks. Based on the Nanjing Weisan Road river-crossing tunnel project, the technological process of saturated hyperbaric intervention is introduced in detail, and the risks concerning geology, unstable pressure on the tunnel face, physical effects and equipment failure are analyzed, with corresponding countermeasures given. The practices show that these risks in the process of saturated hyperbaric intervention are controllable and suitable solutions can be made according to various existing risks and engineering features.
Keywords： Tunnel  ,   Slurry shield  ,   Saturated hyperbaric intervention  ,   Risk analysis     
Cite this article:   
.Risk Control for Saturated Hyperbaric Intervention in Slurry Shield Tunnelling[J]  MODERN TUNNELLING TECHNOLOGY, 2015,V52(4): 55-61
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