Nondestructive Evaluation of Drilled Shafts
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 126, Issue 1
Abstract
The Deep Foundations Committee of the Geo-Institute commissioned a task force, chaired by Alan Macnab, to evaluate the state of the practice of Nondestructive Evaluation of Drilled Shafts. The task force consisted of: • 2 researchers on the topic—Al Dimillio of the Federal Highway Administration and Dr. Michael O'Neill of the University of Houston • 1 academic—Dr. Richard Finno of Northwestern University • 4 representatives of testing firms—Frank Rausche of Goble Rausche Likins & Assoc., Inc.; Dr. Allen Davis of CTL Construction Technology Laboratories, Inc.; Bernard Hertlein of STS Consultants, Ltd.; and Larry Olson of Olson Engineering, Inc. • 2 owners' representatives—Robert Stott of Caltrans and Barry Berkovitz of the Federal Highway Administration • 3 contractors—Bill Starke of Deep Foundation, Ltd.; Tim Smith of Malcolm Drilling Co., Inc.; and Alan Macnab of Condon Johnson & Assoc., Inc. This report was previously published in the May 1988 issue of Foundation Drilling. It is being republished here to bring this consensus state-of-the-practice information to the attention of the entire geotechnical engineering profession and to invite feedback through the regular discussion section of the Journal.
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References
1.
Baker Jr., C. N., Parikh, G., Briaud, J.-L., Drumright, E. E., and Mensah, F. (1993). “Drilled shafts for bridge foundations.” Rep. No. FHWA-RD-92-004, Federal Highway Administration, McLean, Va.
2.
Hassan, K. H., and O'Neill, M. W. (1998). “Structural resistance factors for drilled shafts with minor defects.” Final Rep., Phase I, ADSC/FHWA, Dallas.
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Published online: Jan 1, 2000
Published in print: Jan 2000
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