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Response Characters of Bridge Adopting StLRB  

Choi, Seung-Ho (경동엔지니어링 (주))
Han, Kyoung-Bong (성균관대학교 토목공학과)
Park, Sun-Kyu (성균관대학교 토목공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.8, no.1, 2004 , pp. 139-146 More about this Journal
Abstract
In this paper, the seismic analysis and the modeling techniques have been introduced for seismic performances assessment, when seismic isolation bearings are applied to a real bridge. Nonlinear time-history analysis is carried out using finite element analysis program. El Centro earthquake(1940, N00W) 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
Seismic Isolation Bearings; Nonlinear Time-history Analysis; Sliding Mechanism;
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