Issue Date: September/October 2013

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GEOSTRATA, 2013, September/October, 24-28   Long tunnels are different from other geotechnical projects. Long tunnels are miles long and often hundreds of feet deep. Many are giant sewers that lie deep beneath large cities. Others are for highways, railroads, or water projects through mountains. Today they are constructed almost exclusively by tunnel boring machines (TBMs). […]

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Categorized as: Tunneling