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HomeNewsFailuresDrilled shaft rig falls into hole – Iowa

Drilled shaft rig falls into hole – Iowa

June 3, 2008 rockman Failures Comments Off on Drilled shaft rig falls into hole – Iowa

 

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cme-550x
Available Resources

Bad Azz Drill Rig

February 8, 2009 rockman Available Resources 5

I don’t think this is a new CME drill rig (Central Mine Equipment Company), but its a model I’m not familiar with.  The CME-550X is designed to minimize ground contact pressure for jobs with wet […]

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Malcolm Drilling prepares to drill secant pile drilled shafts for SR 99 TBM launch pit.
Project Related

Launch Pit Retaining Walls Completed for SR 99 Tunnel in Seattle

August 6, 2012 rockman Project Related Comments Off on Launch Pit Retaining Walls Completed for SR 99 Tunnel in Seattle

Drilled shafts have been installed by Malcolm Drilling to form the secant pile retaining walls to support the 400 ft x 80 ft x 80 ft launch pit for the SR 99 tunnel boring machine […]

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Failures

Tunnel Collapse Caught on Video

December 20, 2016 rockman Failures Comments Off on Tunnel Collapse Caught on Video

According to the site Geotechpedia, this tunnel failure occurred on November 29, 2016 around 9am (local time?). The tunnel is located in Yusufeli district of Erzurum in northeastern Turkey. It is somehow related to the […]

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