Seismic Study of Arch Damsby J. Laginha Serafim,
J. Oliveira Pedro,
Serial Information: Journal of the Structural Division, 1965, Vol. 91, Issue 2, Pg. 15-26
Document Type: Journal Paper
Abstract: An analytical method based on the flexibility matrix obtained by an arch-cantilever radial adjustment is applied in the determination of vibration modes and frequencies in an arch dam. Seismic loads are reproduced by means of Housner's spectral curves for the El Centro earthquake of May 18, 1940. The instance presented is the seismic analysis of Cachi dam, a symmetrical double-curvature thin arch dam. Frequencies obtained by this method were confirmed by vibration model tests.
Subject Headings: Arch dams | Seismic tests | Vibration | Seismic loads | Curvature | Seismic effects | Model tests | Matrix (mathematics)
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