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Rockman's Ramblings

Retraction and Apology – Drilling Accident in Ontario Canada

October 30, 2008 rockman Rockman's Ramblings Comments Off on Retraction and Apology – Drilling Accident in Ontario Canada

Yesterday I received a forwarded email from a fellow geotechnical engineer and former coworker regarding a fatal accident involving a hollow stem auger drill rig in the Lindsay area of Ontario Canada on October 8th. […]

Sinkhole in a Beijing Street on April 26, 2011 - possibly resulting from tunneling ground loss from Beijing subway construction
Failures

Tunneling ground loss sinkhole opens in Beijing street, swallows truck

June 6, 2011 rockman Failures Comments Off on Tunneling ground loss sinkhole opens in Beijing street, swallows truck

On April 26, a sinkhole opened up in a busy Beijing street in China’s capital city, swallowing up a truck. According to news reports, the driver and passenger jumped out of the vehicle before it […]

Steel H-Pile
Available Resources

HP16 and HP18 Steel H-piles Now Available

March 4, 2011 rockman Available Resources Comments Off on HP16 and HP18 Steel H-piles Now Available

Up until recently, the biggest steel H-Pile section you could get was an HP14 weighing up to 177 lb/ft. But ENR reports that manufacturers are now rolling steel H-Piles in 16 and 18 inch depths. […]