deep foundations

Typical pile driving analyzer or PDA setup
Articles

The Use of the Pile Driving Analyzer for Installing Pile Foundations

March 2, 2011 Scott A Barnhill Comments Off on The Use of the Pile Driving Analyzer for Installing Pile Foundations

Typical pile driving analyzer or PDA setup

[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]

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Dan Brown in full motorcycle gear at Imogene Pass, Colorado
Miscellaneous

Dan Brown Profiled in DFI Magazine

February 13, 2011 rockman Comments Off on Dan Brown Profiled in DFI Magazine

The winter 2011 issue of the Deep Foundations Institute magazine profiles DBA founder Dan Brown, a very prominent figure in the geotechnical industry and one of the most well known experts in deep foundations. The […]

CFA Rig
Available Resources

Continuous-flight Auger Piles

September 27, 2010 rockman Comments Off on Continuous-flight Auger Piles

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 […]

This is a schematic design of a proposed Tsunami Evacuation Building (TEB). Photo courtesy of Yumei Wang, Oregon Department of Geology and Mineral Industries.
Press Releases

Tsunami evacuation buildings: another way to save lives in the Pacific Northwest

October 20, 2009 rockman Comments Off on Tsunami evacuation buildings: another way to save lives in the Pacific Northwest

This is a schematic design of a proposed Tsunami Evacuation Building (TEB). Photo courtesy of Yumei Wang, Oregon Department of Geology and Mineral Industries. Boulder, CO, USA – Some time soon, a powerful earthquake will trigger a massive tsunami that will flood the Pacific Northwest, destroying homes and threatening the lives of tens of thousands of people, says Yumei Wang, a geotechnical engineer at the Oregon Department of Geology and Mineral Industries in Portland. [Editor] Click through for the rest of the press release. [/Editor]

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American Society of Testing Materials Logo - ASTM
Standards and Codes

ASTM Standards November Update

November 26, 2008 rockman Comments Off on ASTM Standards November Update

American Society of Testing Materials Logo - ASTMNovember was a big month for updates to ASTM Standards…84 updates to be more specific. Several that caught my attention were D4546 One-Dimensional Swell or Settlement Potential, D7383 – Standard Test Methods for Axial Compressive Force Pulse (Rapid) Testing of Deep Foundations (a new standard), several standards that might affect shotcrete design and a large number of water testing standards. Read on for the list.

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