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Open AccessFeature PaperArticle

Evaluation of Repair Costs for Masonry Infills in RC Buildings from Observed Damage Data: the Case-Study of the 2009 L’Aquila Earthquake

Department of Structures for Engineering and Architecture, University of Naples Federico II, 80125 Naples, Italy
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Buildings 2019, 9(5), 122; https://doi.org/10.3390/buildings9050122
Received: 31 March 2019 / Revised: 29 April 2019 / Accepted: 6 May 2019 / Published: 14 May 2019
(This article belongs to the Special Issue Masonry Buildings: Research and Practice)
The estimation of direct and indirect losses due to earthquakes is a key issue in the Performance Based Earthquake Engineering framework. In commonly adopted loss computation tools, no specific data related to masonry infill panels, widespread in moment-resisting-frame residential buildings, are available to perform a probabilistic assessment of losses. To fill this gap, specific fragility and loss functions have been recently proposed in the last years. To assess their validity and estimate the relevance of the repair costs due to infills after earthquakes with respect to the total reconstruction process, the present work analyses the Reinforced Concrete residential buildings with masonry infills struck by the 2009 L’Aquila (Italy) earthquake, focusing on the dataset of “lightly” damaged buildings, where only damage to masonry infills occurred. Based on available data related to these buildings, the observed damage scenario after L’Aquila earthquake is first obtained. The repair costs for infills are estimated given this damage scenario. The resulting estimated repair costs are then compared with the actual repair costs presented in the available literature. The percentage influence of infills on the total repair costs due to earthquakes for residential buildings is lastly computed, resulting on average equal to the fifty percent. View Full-Text
Keywords: RC buildings; masonry infills and partitions; damage analysis; repair costs due to infills; post-earthquake surveys RC buildings; masonry infills and partitions; damage analysis; repair costs due to infills; post-earthquake surveys
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De Risi, M.T.; Del Gaudio, C.; Verderame, G.M. Evaluation of Repair Costs for Masonry Infills in RC Buildings from Observed Damage Data: the Case-Study of the 2009 L’Aquila Earthquake. Buildings 2019, 9, 122.

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