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| Zdroj: |
Mining Engineering; Dec2016, Vol. 68 Issue 12, Special section p5-5, 1/2p |
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The article reports that Seattle, Washington's massive tunneling machine named Bertha was nearly halfway through her 3.2-kilometer dig to replace the Alaskan Way Viaduct at the end of September 2016 according to the Washington Department of Transportation (WSDOT). Topics include the expectation that Bertha will break through the tunnel's northern end by May 2017, a statement from project contractor Seattle Tunnel Partners' Chris Dixon, and the optimism of WSDOT project administrator Joe Hedges. |
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Complementary Index |
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