Abstract
ABSTRACT In this paper, the structural identification theory is used to derive and calibrate discrete and continuous models of a multi story steel building (Alta Bates hospital at Berkeley) and a concrete beams bridge (Boumerzoug, Constantine, Algeria). A discrete modal model and a finite element model are identified and calibrated for the building. While for the bridge, a discrete and a continuous models are identified and calibrated. The structural identification is based on a parametric correlation of structural response characteristics predicted by a mathematical model with analogous quantities obtained from experimental measurements. The building suffered two recent earthquake events (Berkeley Hills 1986 and Loma Prieta 1989). The bridge was subjected to a heavy vehicle traffic (10 tons vehicle with different speeds). The free vibrations are extracted from the experimental measurements and used to identify discrete and continuous modal models of the bridge.
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