Full‐Scale Cyclic Dynamic Lateral Pile Responses
Publication: Journal of Geotechnical Engineering
Volume 113, Issue 1
Abstract
In the design of vertical piles subjected to lateral dynamic loads, the lateral soil resistance is often represented as a series of discrete springs, each with a nonlinear resistance‐deflection curve. Owing to the lack of dynamic test data, it is common to use static load results, even for dynamic loading. The results from a recent full‐scale cyclic dynamic pile test series in sand have been reduced to yield dynamic curves and indicate that the current oil industry recommendations overestimate the dynamic lateral resistance, especially at large deflection levels. Strain‐softening, partial liquefaction, and gapping effects were observed. Variations in dynamic stiffness and damping capacity appear more dependent on nonlinear behavior than on the frequency of excitation.
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Copyright © 1987 ASCE.
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Published online: Jan 1, 1987
Published in print: Jan 1987
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