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The Emilia Earthquake: Seismic performance of precast reinforced concrete buildings

The Emilia Earthquake: Seismic performance of precast reinforced concrete buildings

Magliulo, Gennaro, Ercolino, Marianna, Petrone, Crescenzo, Coppola, Orsola and Manfredi, Gaetano (2014) The Emilia Earthquake: Seismic performance of precast reinforced concrete buildings. Earthquake Spectra, 30 (2). pp. 891-912. ISSN 8755-2930 (Online) (doi:10.1193/091012EQS285M)

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Abstract

On 20 and 29 May 2012, two earthquakes of MW5.9 and MW5.8 occurred in the Emilia region of northern Italy, one of the most developed industrial centers in the country. A complete photographic report collected in the epicentral zone shows the seismic vulnerability of precast structures, the damage to which is mainly caused by connection systems. Indeed, the main recorded damage is either the loss of support of structural horizontal elements, due to the failure of friction beam-to-column and roof-to-beam connections, or the collapse of the cladding panels, due to the failure of the panel-to-structure connections. The damage can be explained by the intensity of the recorded seismic event and by the exclusion of the epicentral region from the seismic areas recognized by the Italian building code up to 2003. Simple considerations related to the recorded acceleration spectra allow motivating the extensive damage due to the loss of support.

Item Type: Article
Uncontrolled Keywords: building structures; seismic vulnerability; earthquakes
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Engineering Science
Last Modified: 18 Apr 2017 14:37
Selected for GREAT 2016: GREAT b
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/14263

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