Vertical Vibration Analysis of a Pile Group in Multilayered Poroelastic Soils with Compressible Constituents
Publication: International Journal of Geomechanics
Volume 21, Issue 1
Abstract
This paper will investigate the vertical vibration of a pile group connected to a rigid cap in multilayered poroelastic soils with compressible constituents. Individual piles in the pile group are modeled as one-dimensional bars and discretized into uniform elements based on the finite element method (FEM). Considering the compatibility condition between the pile group and the layered poroelastic soils with compressible constituents, solutions for the dynamic interaction problem will be derived. The resulting numerical solutions agreed closely with the existing solutions. Selected numerical examples will be provided to demonstrate the effects of the pile–soil stiffness ratio, pile spacing, compressibility parameters, and stratified property of the poroelastic soils on the vertical dynamic response of a pile group.
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Acknowledgments
The authors acknowledge funding from the National Natural Science Foundation of China (Grant Nos. 50578121 and 41672275) for financial support.
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© 2020 American Society of Civil Engineers.
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Received: Jun 29, 2019
Accepted: Aug 7, 2020
Published online: Oct 23, 2020
Published in print: Jan 1, 2021
Discussion open until: Mar 23, 2021
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