List of products by author: J. Mcgovern

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  Innovative TBM Launch Sequence for the Suffolk Coun ty Outfall Tunnel Project

  Abstract: At more than 4,300 metres in length, the Bergen Point WWTP outfall replacement tunnel was bid with the pressurized face (slurry) tunnel boring machine launched from a shaft and a starter tunnel. The bid documents prescriptively required the use of ground freezing for temporary ground support for the launch shaft and the starter tunnel with a tried and tested approach to machine launching. Post...

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