Second Issue of International Journal of Geoengineering Case Histories [Official This Time]

February 19, 2008 rockman Available Resources Comments Off on Second Issue of International Journal of Geoengineering Case Histories [Official This Time]

 

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710 Tunnel Study Geotechnical Investigation Begins

January 7, 2009 rockman Project Related Comments Off on 710 Tunnel Study Geotechnical Investigation Begins

Geotechnical drilling was set to begin yesterday on the 710 Tunnel Technical Study in the L.A. area. Currently the 710 freeway ends along the city of Los Angeles-Alhambra boundary but was intended to run north […]

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Crews assembling TBM for first ever tunnel under San Francisco Bay

June 29, 2011 rockman Project Related Comments Off on Crews assembling TBM for first ever tunnel under San Francisco Bay

What about the BART you may be wondering. Well, the Bart is not really a tunnel but a precast tube that was sunk and rests on the bottom of the bay. This water supply tunnel […]

TBM with twin tunnels of the Gothard Base Tunnel or GBT, Sedrun segment
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Just 10m of drill and blast left on Gotthard Base Tunnel

October 11, 2010 rockman Project Related 1

This 57-km tunnel under the Swiss Alps has nearly broken through after 11-years of work. This tunnel will create a ‘flat’ rail path through the Alps and become the world’s longest rail tunnel. [Source: World […]