DFI Journal - The Journal of the Deep Foundations Institute

Volume 5, Issue 2, January 2011
DOI: 10.1179/dfi.2011.008

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Geotechnical Exploration Phase Drilled Shaft Load Testing
Article Type: Research Paper

Vanderpool, W., Chesnut, R. & McGettigan, M.


Full scale load tests are frequently performed immediately prior to deep foundation construction to verify the design assumptions. Occasionally, load tests are performed during design development and applied to the final design for critical and non-redundant structures. We believe that full scale load tests can be very valuable and economical for projects, especially in a geologic environment where the record of full scale load testing is very limited or non-existent. The load testing for the Utah Transit Authority’s Airport Light Rail Trax project provides an example of the advantages of a load test in design development. The savings realized by the owner was in excess of $800 thousand dollars.

load tests, full scale load tests