Laterally loaded rigid piles in cohesionless soil

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Title Laterally loaded rigid piles in cohesionless soil
Author Guo, Wei Dong
Journal Name Canadian Geotechnical Journal
Editor Ian Moore
Year Published 2008
Place of publication Canada
Publisher N R C Research Press
Abstract In this paper, limiting force profile for laterally loaded rigid piles in sand is differentiated from on-pile force profile, from which elastic-plastic solutions are established and presented in explicit expressions. Nonlinear responses of the piles are characterised by slip depths mobilised from mudline and the pile-tip. At the states of tip-yield and rotation point yield, expressions for some critical depths are developed, which allow the on-pile force profiles to be constructed. The solutions and the expressions are developed concerning a constant subgrade modulus (k) and a linearly increasing modulus with depth (Gibson k), respectively. Capitalised on three measurable parameters, the solutions agree well with measured data and numerical predictions. Non-dimensional responses are presented for various eccentricities at the tip-yield state and in some cases at the rotation point yield state. Nonlinear responses are obtained for typical eccentricities from elastic state right up to failure. Comments are made regarding displacement based capacity. A case study is elaborated to illustrate (i) the use of the current solutions; (ii) the impact of the k distributions; (iii) the evaluation of stresses on pile surface; and (iv) the deduction of soil modulus. The current solutions are easy to be implemented and suitable for general design.
Peer Reviewed Yes
Published Yes
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Copyright Statement Copyright 2008 NRC Research Press. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 45
Issue Number 5
Page from 676
Page to 697
ISSN 0008-3674
Date Accessioned 2009-01-19
Date Available 2015-05-12T02:03:50Z
Language en_US
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Civil Geotechnical Engineering
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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