Effect of Compressive Load on Uplift Capacity of Model Piles
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 129, Issue 11
Abstract
Thirty six tests on model tubular steel piles embedded in sand were carried out in the laboratory to assess the effects of compressive load on uplift capacity of piles considering various parameters. The model piles were of 25 mm outside diameter and 2 mm wall thickness. The soil–pile friction angles were 21 and in loose and dense conditions of sand. The piles were embedded in sand for embedment length/diameter ratios of 8,16, and 24 inside a model tank. They were subjected to a static compressive load of 0, 25, 50, 75, and 100% of their ultimate capacity in compression and subjected to pull out loading tests. The experimental results indicated that the presence of the compressive load on the pile decreases the net uplift capacity of a pile and the decrease depends on the magnitude of the compressive load. A logical approach, based on the experimental results, has been suggested to predict the net uplift capacity of a pile considering the presence of compressive load.
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Information & Authors
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 129 • Issue 11 • November 2003
Pages: 987 - 992
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Jul 9, 2002
Accepted: Jan 2, 2003
Published online: Oct 15, 2003
Published in print: Nov 2003
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