Dynamic Group Effect in Axial Responses of Grouped Piles
Publication: Journal of Geotechnical Engineering
Volume 109, Issue 2
Abstract
Analytical expressions for soil stiffness for a group of piles were obtained for both plane strain and three‐dimensional conditions. A comparison between these two expressions revealed that a concept of a Winkler soil model could be applicable to pile group problems for the frequency range higher than the fundamental natural frequency of the soil deposit. A simple solution of dynamic pile group response was developed using a Winkler soil model extended to pile group problems and a transfer matrix method. Natures of dynamic group effect were studied for various cases. Using a simple structure supported by a pile group, it was demonstrated how the dynamic conditions in a group effect affects dynamic response of a pile‐supported structure.
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References
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Nogami, T., and Novak, M., “Soil‐Pile Interaction in Vertical Vibration,” International Journal of Earthquake Engineering and Structural Dynamics, Vol. 4, No. 3, 1976, pp. 277–293.
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Information & Authors
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Published In
Journal of Geotechnical Engineering
Volume 109 • Issue 2 • December 1983
Pages: 228 - 243
Copyright
Copyright © 1983 ASCE.
History
Published online: Dec 1, 1983
Published in print: Dec 1983
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