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Influence of cladding panels on dynamic behaviour of one-storey precast building

Influence of cladding panels on dynamic behaviour of one-storey precast building

Ercolino, Marianna, Capozzi, Vittorio, Magliulo, Gennaro and Manfredi, Gaetano (2013) Influence of cladding panels on dynamic behaviour of one-storey precast building. Opensees Days Italia: Atti del Covegno. pp. 190-241.

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Abstract

Recent Italian seismic events, as L’Aquila earthquake (2009) and Emilia earthquake (2012), demonstrated the deficiency of the actual design approach of the cladding panels system in precast buildings. Collapse of these precast panels is observed due to the connection system failure. Although cladding panels are designed as non-structural elements according to the actual code approach, i.e. no interaction with the structure is considered, a seismic excitations could make the panels collaborating with the resistant system. In this paper the influence of vertical cladding panels on seismic behavior of one-story precast concrete buildings is investigated. A parametric study is carried out to judge the influence of the cladding presence on the dynamic characteristics of precast structures. At this purpose, modal analyses are performed on both bare and infilled models. The parametric study shows a high influence of the panels on the first period of the structure, as well as the inadequacy of the code relationships for the evaluation of the natural period for such typology of structure. More suitable relations are proposed in order to evaluate the seismic demand of one story precast buildings both in the case of bare and infilled system.

Item Type: Article
Additional Information: This article is part of "Opensees Days Italy" - Modeling, Design and Analysis of Structures in Seismic Areas. Proceedings of the 1st Italian conference - Rome, 24-25 May 2012.
Uncontrolled Keywords: Precast structures, Vertical Cladding Panels, Panel Connection System, Modal Analyses, Elastic Period
Pre-2014 Departments: School of Engineering > Department of Civil Engineering
Last Modified: 14 Oct 2016 09:36
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/14425

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