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Earthquakes and Structures Volume 18, Number 3, March 2020 , pages 321-335 DOI: https://doi.org/10.12989/eas.2020.18.3.321 |
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Vulnerability and seismic improvement of architectural heritage: the case of Palazzo Murena |
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Riccardo Liberotti, Federico Cluni and Vittorio Gusella
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| Abstract | ||
| The aim of the present contribution is to consider and underline the essential interactions among the historical knowledge, the seismic vulnerability assessment, the investigation experimental tools, the preservation of the architectural quality and the strengthening design in regard to architectural heritage conservation. These topics are argued in relation to Palazzo Murena in Perugia, designed in the eighteenth century by the famous Architect Luigi Vanvitelli, and currently headquarters of the city\' s University. Based on the surveys and the visual inspections, a preliminary a priori global analysis has been performed by means of the FME method. The obtained results permitted to plan an experimental tests campaign inclusive of structural health monitoring. The new achieved \"knowledge\" of the building allowed to refine the seismic safety assessment. In particular it was highlighted that the \"mezzanine floor\" can be a vulnerable element of the building with the collapse of its masonry walls. Preserving the architectural characteristics, a local reinforcement intervention is proposed for the above-mentioned level; this consists of the application of plaster with FRCM, assuring an adequate strength, without burden the masonry structure with additional weight, and therefore a decreasing of the seismic vulnerability. The necessity to consider, in this ongoing research, other local mechanisms is highlighted in the unfolding of the last part of work. | ||
| Key Words | ||
| architectural heritage preservation; irregular masonry structures; pushover analysis; damage assessment, F.R.C.M strengthening | ||
| Address | ||
| Riccardo Liberotti: Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy Federico Cluni :Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy Vittorio Gusella: Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy | ||