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Comparisons of Behavioral Characteristics and Seismic Performance of Seismic Isolation Bearing Systems
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 Title & Authors
Comparisons of Behavioral Characteristics and Seismic Performance of Seismic Isolation Bearing Systems
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 Abstract
In this paper, the seismic analysis and the modeling techniques have been introduced for aseismic performances assessment, when seismic isolation bearings are applied on a real bridge. Nonlinear time-history analysis is carried out using finite element analysis program. In this study, EI Centro earthquake(1940, N00W), Mexico earthquake(1985, N90W), and earthquake simulation from modified SIMQKE are used as earthquake ground excitations. The seismic response of seismically isolated bridge is compared with that of a bridge using conventional Pot Bearings, after obtaining the displacements of the deck, the deformations of the piers, shear forces and moments of the bottoms of the piers. The analytical analysis results show that seismic isolation bearing, especially seismic isolation bearings with sliding mechanism, could reduce earthquake forces.
 Keywords
base isolator;nonlinear time-history analysis;seismic response;SIMQKE;
 Language
English
 Cited by
 References
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