Simplified Approach for Settlement Analysis of Vertically Loaded Pile
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Volume 143, Issue 11
Abstract
This paper investigates a new and simplified nonlinear approach considering the softening effect of the soil–pile interface to predict the settlement of a single pile and a pile group. The approach adopts a nonlinear model described by a piecewise function to simulate the relationship between skin friction and soil–pile relative displacement. The relationship between the pile-bottom load and the settlement also is addressed in a piecewise function. A simplified calculation approach is proposed to predict the settlement on pile head. The results of the proposed approach and those of the published literature and the field test data are compared. Correction made by the proposed approach also is validated. Numerical results show that the proposed approach generates a reasonable settlement prediction on pile head. Parametric analysis compares the influence of different parameter values on the load-settlement curve on the pile head.
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Acknowledgments
This work was supported by the National Basic Research Program of China (“973” Project) (Grant No. 2013CB036004), and the National Natural Science Foundation of China (Grant No. 51208523).
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Published In
Journal of Engineering Mechanics
Volume 143 • Issue 11 • November 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Jun 21, 2016
Accepted: Apr 13, 2017
Published online: Aug 19, 2017
Published in print: Nov 1, 2017
Discussion open until: Jan 19, 2018
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