Challenging core recovery in residential area

January 2, 2013 rockman Project Related Comments Off on Challenging core recovery in residential area
Crux core rig working on a challenging coring project in Bellevue, Washington

Crux core rig working on a challenging coring project in Bellevue, Washington

Specialty geotechnical drillers Crux Subsurface, Inc. of Spokane, WA has been working on a challenging project in a residential neighborhood in Bellevue, Washington. Their work is in support of a King County project to upgrade wastewater conveyance system currently served by the Sunset and Heathfield Pump Stations in Bellevue. Crux was selected for the job because of their experience in working in restricted and congested areas and because of anticipated difficult core recovery. [Source: Crux. Image: Crux]

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Shoring wall failure in Rosslyn, Virginia
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Shoring retaining wall failure in Virginia prompts apartment building evacuation

August 9, 2011 rockman Failures Comments Off on Shoring retaining wall failure in Virginia prompts apartment building evacuation

Shoring wall failure in Rosslyn, Virginia

On Sunday evening, a soldier pile lagging wall shoring system failed at the Sedona & Slate residential development construction site in Rosslyn, Virginia (Arlington County). There were no reported injuries, but an adjacent apartment building was evacuated as a precaution and a nearby street is closed to traffic.  Click through for a video that shows some additional views of the damage.  The scale of the wall is apparent when you see the shots with workers putting braces near the bottom of the wall. I’m guessing the rakers shown in this image were added monday to attempt to stabilize the wall, but that’s just speculation at this point. Image: MyFoxDC.com

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