Research Article
Mar 1981
Comparative Study of Dynamic Response of Earth Dam
Publication: Journal of the Geotechnical Engineering Division
Volume 107, Issue 3
Abstract
Full-scale experimentally determined dynamic characteristics of an earth dam determined from imposed dynamic forces are compared with those estimated from earthquake responses. The measured frequencies and modes of upstream-downstream vibrations are compared with those predicted by an existing two-dimensional shear-beam model. Shear strains and shear moduli were estimated from the full-scale tests and were plotted along with those estimated from the earthquake response analysis. The same procedure was followed for damping versus shear strain at different levels. Then the combined results were interpolated and extrapolated. The dynamic properties of the dam's constituent materials estimated from low-strain full-scale tests are consistent with those determined from relatively large strains induced by the two earthquakes. Also the tests revealed substantial change in the dynamic properties of the dam; the behavior is typical of a yielding dynamic system.
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Published In
Journal of the Geotechnical Engineering Division
Volume 107 • Issue 3 • March 1981
Pages: 271 - 286
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Mar 1981
Published online: Feb 11, 2021
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Ahmed M. Abdel-Ghaffar, AM.ASCE
Asst. Prof., Civ. Engrg. Dept., Princeton Univ., Princeton, N. J. 08544
Ronald F. Scott, M.ASCE
Prof. of Civ. Engrg., California Inst. of Tech., Pasadena, Calif
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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.