National Driller Magazine has a nice overview article of Continuous-Flight Auger Piles that was featured in their Foundation Drilling Newsletter. It’s a decent overview for those unfamiliar with CFA Piles. This type of deep foundation involves drilling the entire length of hole in one continuous operation, and then pumping concrete or grout down the hollow center of the pile as the auger is withdrawn. [Source: National Driller. Image: Hercules Machine Corporation]
Related Articles
The Use of the Pile Driving Analyzer for Installing Pile Foundations
[Editor] The pile driving analyzer or PDA is used to measure the response of piles during driving. It was originally developed to analyze pile drivability, but is sometimes used as a substitute for pile static load tests to determine . Mr. Scott A. Barnhill, P.E., Executive Vice President of consulting firm GeoEnvironmental Resources, Inc. located in Virginia Beach, Virginia has seen PDA being used and misused over his 33-year career. In this article, Mr. Barnhill describes pitfalls in relying solely on the PDA for pile capacities, and also describes what PDA is good at and how it can be used successfully. [/Editor]
DFI Presents Ben C. Gerwick Award for Innovative Marine Foundations
Hawthorne, NJ (December 27, 2012): Patrick Bermingham, CEO of Bermingham Foundation Solutions, Hamilton, Ontario, Canada, was awarded the Ben C. Gerwick Award for Innovation in Design and Construction of Marine Foundations at a dinner in early December at the DFI Marine Foundation Seminar in Norfolk, Va. The annual award recognizes innovative excellence in the design and construction of marine foundations, and honors Ben C. Gerwick for his achievements during his 62-year career in the field of marine foundations. The award is sponsored by the Deep Foundation Institute Educational Trust, University of California Department of Civil and Environmental Engineering, and the Ben C. Gerwick Company.
[Editor] Click through for the rest of the press release from DFI. [/Editor]