Research Article
Jan 1981
Longitudinal Vibrations of Embankment Dams
Publication: Journal of the Geotechnical Engineering Division
Volume 107, Issue 1
Abstract
This paper presents an analytical method to study free and forced longitudinal vibrations of embankment dams. Both shear and dilatational deformations are taken into account, and the dam is modeled as a linear homogeneous prism with a wedge-shape cross section, bounded by two vertical (abutment) and one horizontal (riverbed) planes. Numerical results demonstrate the effect of the length and height of the dam on its natural frequencies and its modal displacement and strain shapes. It is shown that shear deformations are more important in relatively long dams, whereas the opposite is true with dams built in narrow canyons. The method is evaluted through two case histories involving an earthfill and a rockfill dam. Close agreement exists between predicted and observed natural frequencies, but the distribution of peak accelerations within the dam is badly predicted.
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Published In
Journal of the Geotechnical Engineering Division
Volume 107 • Issue 1 • January 1981
Pages: 21 - 40
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Jan 1981
Published online: Feb 11, 2021
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Authors
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George Gazetas, AM.ASCE
Asst. Prof. of Civ. Engrg., Case Western Reserve Univ., Cleveland, Ohio 44106
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.