Abstract
Damage evaluation of constructions, subjected to earthquakes is an issue focused by many researchers, being a complicated matter. It is based on a multiple stage concept, depending on the level of understanding of the problem hierarchy for a requested safety level, based on structural performances. The structural modeling for simulations of lifetime constructions' behavior to seismic loads takes is a computational multiphase process based on the following stages: a priori modeling for initial design, on line monitoring of structure during lifetime functioning, damage identification and model re-evaluation. Recent results of research in computational earthquake engineering highlights the real need for re-evaluation of dynamical models of constructions, after they have experienced several seismic events. The re-evaluation should be based on their real engineering performance of the structure experience during several earthquakes. The paper deals with the problem of structural model's re-evaluation using some experimental available data. The purpose of re-evaluation is to increase the seismic safety of damaged existing buildings located in seismic high-risk areas. The correction of structural models for damaged constructions is based on a deterministic procedure. The methodology used for structural models' adjustment is exposed below, being validated by a study case done on a frame model of a reinforced 3 stories frame construction.
Published Version
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