An Innovative, Lightweight, and Sustainable Solution for the Integrated Seismic Energy Retrofit of Existing Masonry Structures

Giovanna Longobardi (), Marius Moşoarca, Aurelian Gruin, Alexandru Ion and Antonio Formisano
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Giovanna Longobardi: Department of Structures for Engineering and Architecture, School of Polytechnic and Basic Sciences, University of Naples “Federico II”, Piazzale Tecchio 80, 80125 Naples, Italy
Marius Moşoarca: Department of Architecture, Politehnica University of Timişoara, Traian Lalescu 2A, 300223 Timişoara, Romania
Aurelian Gruin: National Institute for Research and Development in Constructions, Urbanism and Sustainable Spatial Development URBAN-INCERC, Strada Traian Lalescu 2, 300223 Timişoara, Romania
Alexandru Ion: National Institute for Research and Development in Constructions, Urbanism and Sustainable Spatial Development URBAN-INCERC, Strada Traian Lalescu 2, 300223 Timişoara, Romania
Antonio Formisano: Department of Structures for Engineering and Architecture, School of Polytechnic and Basic Sciences, University of Naples “Federico II”, Piazzale Tecchio 80, 80125 Naples, Italy

Sustainability, 2024, vol. 16, issue 11, 1-21

Abstract: A large percentage of existing building stock in Italy and throughout Europe is ageing and no longer complies with current regulations, particularly in terms of sustainability. For these reasons, an urgent consolidation plan is needed to ensure an increase in both seismic response and energy response. Indeed, these constructions were built before the actual technical codes, and currently, they are not able to withstand seismic actions. Meanwhile, they are subject to thermal dispersions that could be due to the use of materials with poor properties or construction errors. Among the numerous consolidation techniques, an innovative solution consisting of a coating system has appeared on the construction market in recent decades. It is an integrated solution that simultaneously improves the seismic and energy behaviour of the building. The paper proposes the evaluation of this lightweight and sustainable solution through some experimental tests which were performed at the National Institute for Research and Development in Constructions, located in the city of Timişoara (Romania). The tests were aimed to investigate the out-of-plane behaviour of a masonry wall (1.20 m × 2.40 m × 0.60 m) obtained by combining two smaller panels with mortar and subjecting them to constant vertical force and pushing by an increasing horizontal one. Its response was assessed before and after the application of extruded aluminium alloy base profiles belonging to the system under study.

Keywords: masonry buildings; integrated seismic energy coat; aluminium alloy system; experimental test (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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