Effects of reservoir bottom absorption and dam-water-foundation rock interaction on frequency response functions for concrete gravity dams

Journal Article · Mon Dec 31 23:00:00 EST 1984 · Int. J. Earthquake Eng. Struct. Dyn.; (United States)

DOI:https://doi.org/10.1002/eqe.4290130104· OSTI ID:5010309

Fenves, G; Chopra, A K

The linear response of an idealized concrete gravity dam monolith to harmonic horizontal or vertical ground motion is presented for a range of the important system parameters that characterize the properties of the dam, foundation rock, impounded water and reservoir bottom materials. Based on these frequency response functions, the effects of alluvium and sediments at the reservoir bottom on the response of the dam, including its interaction with the impounded water and foundation rock, are investigated. It is shown that the partial absorption of hydrodynamic pressure waves by the reservoir bottom materials has an important effect on the dynamic response of concrete gravity dams.

• Research Organization: Department of Civil Engineering, University of California, Berkeley, California.
• OSTI ID: 5010309
• Journal Information: Int. J. Earthquake Eng. Struct. Dyn.; (United States), Journal Name: Int. J. Earthquake Eng. Struct. Dyn.; (United States) Journal Issue: 1 Vol. 13:1; ISSN IJEEB
• Country of Publication: United States
• Language: English

Related Subjects

58 GEOSCIENCES
580201* -- Geophysics-- Seismology & Tectonics-- (1980-1989)
ALLUVIAL DEPOSITS
BUILDING MATERIALS
CONCRETES
DAMS
FOUNDATIONS
FUNCTIONS
GEOLOGIC DEPOSITS
GROUND MOTION
MATERIALS
MECHANICAL STRUCTURES
MECHANICS
MOTION
RESPONSE FUNCTIONS
ROCK MECHANICS
SEDIMENTS
SEISMIC EFFECTS
SOIL MECHANICS
SUPPORTS
SURFACE WATERS
WATER RESERVOIRS
WAVE FORCES