Hydrodynamic and Foundation Interaction Effects in Dynamics of Intake Towers: Earthquake Responses
Publication: Journal of Structural Engineering
Volume 115, Issue 6
Abstract
The dynamic response of Briones Dam Intake Tower to Taft ground motion is presented for various cases: rigid and flexible foundation rock, with and without water. Study of these response results demonstrates that the earthquake response of this tower is increased because of hydrodynamic effects and decreased as a result of tower‐foundation‐soil interaction. It is also demonstrated that the earthquake response of this tower can be computed to a satisfactory degree of accuracy by considering the contributions of only the first two natural vibration modes. This observation provides a basis for developing a simplified analysis procedure suitable for practical application.
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References
1.
Goyal, A., and Chopra, A. K. (1988). “Earthquake analysis and response of intake‐outlet towers.” Report No., Earthquake Engineering Research Center, Univ. of California, Berkeley, Calif., in press.
2.
Goyal, A., and Chopra, A. K. (1989). “Hydrodynamic and foundation interaction effects in dynamics of intake towers: Frequency response functions.” J. Struct. Engrg., ASCE, 115(4), 1371–1385.
3.
Liaw, C.‐Y., and Chopra, A. K. (1974). “Dynamics of towers surrounded by water.” International Journal of Earthquake Engineering and Structural Dynamics, 3(1), July–Sept., 33–49.
4.
Rea, D., Liaw, C.‐Y., and Chopra, A. K. (1975). “Dynamic properties of San Bernardino intake tower.” Report No. EERC 75‐7, Earthquake Engineering Research Center, Univ. of Calif., Berkeley, Calif., Feb.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 115 • Issue 6 • June 1989
Pages: 1386 - 1395
Copyright
Copyright © 1989 ASCE.
History
Published online: Jun 1, 1989
Published in print: Jun 1989
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