Pile Driving Analyzer (PDA) - Then and Now, courtesy of Pile.com
Comings and Goings

100th Newsletter of Pile Dynamics!

The folks at Pile Dynamics, Inc. (PDI) produce a monthly newsletter that is always full of great information. This month, they celebrate their 100th edition, you can view it and all past editions at Pile.com. […]

Typical pile driving analyzer or PDA setup

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]