Analytical Solution for the Consolidation around a Laterally Loaded Pile
Publication: International Journal of Geomechanics
Volume 12, Issue 3
Abstract
This paper presents a closed-form analytical solution for the consolidation of soil around a laterally loaded pile, assuming the soil skeleton deforms elastically and under plane strain conditions. The problem is idealized as a circular rigid disk surrounded by a deformable soil zone. Drainage is assumed to occur at the boundary of the assumed zone of deformable soil around the pile. The response around the pile is obtained using an uncoupled consolidation analysis. The solution for the governing equation of excess pore water pressure is found by using the separation of variables technique. Expressions for the initial excess pore water pressure distribution are derived from the mean total stress changes given by the elastic solution. Curves showing decay of the excess pore water pressure with time, and also the variation of pile displacement, are plotted in nondimensional form. The parameters that affect the displacement prediction are illustrated and discussed. Comparison with three-dimensional analysis of a laterally loaded pile shows that the two-dimensional analysis can reasonably predict the consolidation process along the shaft of the pile.
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Published In
International Journal of Geomechanics
Volume 12 • Issue 3 • June 2012
Pages: 199 - 208
Copyright
© 2012. American Society of Civil Engineers.
History
Received: Nov 16, 2009
Accepted: Mar 4, 2011
Published online: Mar 7, 2011
Published in print: Jun 1, 2012
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