List of products by author: J. Costello

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  Saturation Techniques in Support of Pressurized Tunnels

  Abstract: Types of Exposures Hyperbaric conditions allow for access to the components of tunnel boring machines which are subjected to pressure from the surrounding soils and groundwater. In relation to saturation diving, there are two distinct types of hyperbaric exposures are bounce and saturation. Bounce mode refers to a hyperbaric exposure followed immediately by decompression. In this mode, the...

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