Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/49173
Title: Effects of space distribution of excitation on seismic response of arch dams
Authors: Maeso, O 
Aznarez, JJ 
Domínguez, José
Keywords: Foundation Rock Interaction
Homogeneous Half-Space
Concrete Gravity Dams
Earthquake Analysis
Waves
Irregularities
Diffraction
Topography
Absorption
Canyon
Issue Date: 2002
Publisher: 0733-9399
Journal: Journal of Engineering Mechanics - ASCE 
Abstract: The effects of the ground motion spatial variation and of the canyon geometry on the dynamic response of arch dams during the event of an earthquake is studied in this paper. The seismic response of a dam subject to time harmonic longitudinal, shear, and Rayleigh waves impinging the dam site from different directions is analyzed. Several canyon and reservoir geometries are considered. A three-dimensional boundary element model which allows for the rigorous representation of the dynamic interaction between the dam, the foundation rock, and the water is used. The foundation rock is modeled as a uniform viscoelastic boundless domain where the incident traveling wave field is defined by its analytical expression, which may include any spatial variation. The obtained results show the importance of three-dimensional effects which are many times neglected.
URI: http://hdl.handle.net/10553/49173
ISSN: 0733-9399
DOI: 10.1061/(ASCE)0733-9399(2002)128:7(759)
Source: Journal Of Engineering Mechanics[ISSN 0733-9399],v. 128 (7), p. 759-768
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