Title: Role and Application of Testing and Computational Techniques in Seismic Engineering
Authors: BURSI Oreste S.CERAVOLO RosarioMOLINA RUIZ Francisco JavierMOLINARI Marco
Citation: Advances in Performance-Based Earthquake Engineering - ISBN 978-90-481-8745-4 vol. 13 p. 407-418
Publisher: Springer
Publication Year: 2010
JRC N°: JRC62774
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC62774
DOI: 10.1007/978-90-481-8746-1
Type: Contributions to Conferences
Abstract: This paper presents an evaluation of structure performances in terms of forces and deformations on a 3D two-storey moment-resisting steel-concrete composite structure designed to be partial strength according to Eurocode 8. It was subject to different pseudo-dynamic tests, simulating earthquakes with pga scaled up to the collapse onset limit state, followed by a final cyclic test. Performance-based seismic design approaches require both experimental and numerical data able to understand the overall behaviour of a structure up to collapse, discriminating material and geometrical nonlinearities, strength degradation, stiffness deterioration, and topology changes such as separation and detachment. In order to pursue these goals two different testing techniques were melted with non-linear identification and model updating techniques. In detail, the well-known continuous pseudo-dynamic testing and the recent structural behaviour monitoring that employs limited sensors to collect mission critical data only from the part of a structure that potentially experiences damage - beam-to-column joints and column bases in this case- were employed. It is shown how the integration of experimental and numerical techniques can achieve a better damage assessment as well as demand/capacity spectra design information.
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