In this 2007 ENR article, a drilling superindtendent from Case Foundation, Rob Jones, is profiled while his company works on the foundations for a Chicago highrise. As a geotechnical engineer who designs drilled shaft foundations, I found it very interesting to learn more about the guys on the construction end of drilled shafts. There is no question in my mind that those guys work a lot harder than I do. [Source: ACE Mentor Program. Image: ENR]
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Drilled shaft rig falls into hole – Iowa
On May 15 a drilled shaft rig operated by Mid America Drilling Corp was nearly swallowed by the 9-ft diameter hole it was drilling for a cell tower foundation near Harlan, Iowa. Fortunately nobody was injured and the truck did not suffer any significant damage.
In Arizona, the standard of practice is to use a temporary surface casing to prevent dangerous failures like that. I once saw pictures of a drilling contractor superindendent almost get sucked into a collapsing shaft, even with the temporary casing. Pretty scary stuff. Source: Harlan Tribune. (Photo by Samantha Bruck)
DFI and EFFC Launch 1st Edition of the Guide to Support Fluids for Deep Foundations
Hawthorne, N.J. (April 5, 2019): Deep Foundations Institute (DFI) and the European Federation of Foundation Contractors (EFFC) are pleased to announce the release of the EFFC/DFI Guide to Support Fluids for Deep Foundations, Edition 1. […]