Ultimate Lateral Resistance of Pile Groups in Sand
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 127, Issue 6
Abstract
Experimental investigations on model pile groups of configuration 1 × 1, 2 × 1, 3 × 1, 2 × 2, and 3 × 2 for embedment length-to-diameter ratios L/d = 12 and 38, spacing from 3 to 6 pile diameter, and pile friction angles δ = 20° and 31°, subjected to lateral loads, were conducted in dry Ennore sand obtained from Chennai, India. The load-displacement response, ultimate resistance, and group efficiency with spacing and number of piles in a group have been qualitatively and quantitatively investigated. Analytical methods have been proposed to predict the ultimate lateral capacity of single pile and pile groups. The proposed methods account for pile friction angle, embedment length-to-diameter ratio, the spacing of piles in a group, pile group configuration, and soil properties. These methods are capable of predicting the lateral capacity of piles and pile groups reasonably well as noted and substantiated by the comparison with the experimental results of the writers and other researchers.
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Information & Authors
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 127 • Issue 6 • June 2001
Pages: 481 - 487
History
Received: Aug 18, 2000
Published online: Jun 1, 2001
Published in print: Jun 2001
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