On Saturday, a tunnel boring machine (TBM) so large that it looks like something out ofThunderbirds was dedicated in the city of Seattle. “Bertha,” as it’s known, is the world’s largest TBM and will spend the next 14 months boring a 1.7 mile (2.7 km) tunnel under the city as part of a US$1.2 billion project to replace a viaduct damaged in a 2001 earthquake. As part of a press tour, the Washington State Department of Transportation (WSDOT) allowed Gizmag inside the giant machine... Continue Reading Gizmag goes inside the world's largest tunnel boring machine
Section: Architecture
Tags: Building and Construction, Hitachi, Transport, Tunnel, World's Largest
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Section: Architecture
Tags: Building and Construction, Hitachi, Transport, Tunnel, World's Largest
Related Articles:
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Cat Tunnel Sofa features a built-in playground for your cat
Reptile friendly tunnel improves road safety for the cold blooded
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Infrabel and Enfinity announce completion of 16,000-panel solar train tunnel
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