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Massive water inflows overcome in US soft ground tunnel

Last updated on 23 October 2014 2:58

This article provides details on the excavation of and water flow control within two 1,713m-long soft ground tunnels forming part of Washington Area Metropolitan Transit Authority's Green Line in College Park, Maryland. The holing through of the 6.34m diameter tunnel shield on December 12, 1990 marked the completion of this...

Author(s): Rackshaw N

Organisation(s): Morgan-Grampian (Construction Press) Limited ;

1992

United Kingdom

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