Research Article
Jun 1974
Hydrodynamic Effects in Earthquake Response of Gravity Dams
Authors: P. Chakrabarti and Anil K. Chopra, M.ASCEAuthor Affiliations
Publication: Journal of the Structural Division
Volume 100, Issue 6
Abstract
The frequency response functions with or without hydrodynamic interaction, including or neglecting compressibility of water, and numerical results for the increase in periods of vibration of the dam due to water in the reservoir are presented. Also presented are responses of a typical concrete gravity dam, Pine Flat Dam, to Koyna 1967 and Taft 1952 ground motions. Hydrodynamic interaction as well as compressibility of water have very significant effects on the periods of vibration as well as frequency response functions of concrete gravity dams. A full reservoir causes a significant increase in the lateral displacements of the dam due to earthquake ground motion. Whether this increase in displacements is accompanied by an increase in the stresses or not depends on the frequency characteristics of the ground motion. Because of the hydrodynamic effects, the vertical component of ground motion is more important in the response of gravity dams in comparison with other classes of structures.
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Published In
Journal of the Structural Division
Volume 100 • Issue 6 • June 1974
Pages: 1211 - 1224
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Jun 1974
Published online: Feb 1, 2021
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Affiliations
P. Chakrabarti
Asst. Research Engr., Dept. of Civ. Engrg., Univ. of California, Berkeley, Calif.
Anil K. Chopra, M.ASCE
Assoc. Prof. of Civ. Engrg., Univ. of California, Berkeley, 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.