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Modeling for Seismic Performance Assessment of an RC Building

The paper focuses on the study of typical reinforced concrete structures build between the years 1950 and 1970 in Southern Europe. These structures have been designed only for gravity loads and, apart from the lack of seismic design, the structural morphology of the majority promotes torsional response.

Both experimental and analytical results are presented for a three-storey building that was tested on the shake table of TREES laboratory at EUCENTRE in Pavia, Italy. The building was dynamically tested using the Montenegro 1979 ground motion record (Herceg-Novi station), scaled to different levels of PGA to observe its progressive damage mode and overall capacity deterioration.

 In this paper the experimental data is compared with numerically obtained results using three different kind of non linear, force-based, fiber beam-column elements.

Response parameters, such as damage distribution and drift capacity, are analyzed to identify the limitations of numerical modeling, of each specific element, with respect to the investigated engineering demand parameters.
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