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Influence of infill panels on an irregular RC building designed according to seismic codes

Influence of infill panels on an irregular RC building designed according to seismic codes

Ercolino, Marianna, Ricci, Paolo, Magliulo, Gennaro and Verderame, Gerardo M. (2015) Influence of infill panels on an irregular RC building designed according to seismic codes. Earthquakes and Structures, 10 (2). pp. 261-291. ISSN 2092-7614 (Print), 2092-7622 (Online) (doi:10.12989/eas.2016.10.2.261)

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Abstract

This paper deals with the seismic assessment of a real RC frame building located in Italy, designed according to the current Italian seismic code.

The first part of the paper deals with the calibration of the structural model of the investigated building. The results of an in-situ dynamic identification test are employed in a sensitivity and parametric study in order to find the best fit model in terms of frequencies and modal shapes. In the second part, the safety of the structure is evaluated by means of nonlinear static analyses, taking into account the results of the previous dynamic study.

In order to investigate the influence of the infills on the seismic response of the structure, the nonlinear static analyses are performed both neglecting and taking into account the infill panels. The infill panels differently change the behavior of the structure in terms of strength and stiffness at different seismic intensity levels. The assessment study also verifies the absence of brittle failures in structural elements, which could be caused by either the local interaction with infills or the failure of the strength hierarchy.

Item Type: Article
Uncontrolled Keywords: RC frame; dynamic identification; material properties; seismic code; infills; capacity design
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Engineering Science
Last Modified: 14 Dec 2016 13:17
URI: http://gala.gre.ac.uk/id/eprint/14629

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