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Tunneling under a river

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Uploaded by on Jun 15, 2008

See a tunnel boring machine up close as it digs twin tunnels under the Allegheny River in Pittsburgh

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  • i was working on the airport link tunnel in brisbane. you think this is good. the APL tunnel is 4 times bigger

  • this guy , know his shit

  • nice video, thanks for posting

  • just like Ocean's Thirteen

  • a very interesting job

  • 0:20

    One "inch" thick? Did he mean foot?

  • 6+1 configuration of precast tunnel segment liners, nice video...

  • there was a BTS meeting yesterday on the Pittsburgh Northshore Connector

    a very interesting job

    nice vid

  • Did he say one (1) inch thick tunnel segment?

  • well done

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