Abstract
Earthquakes represent huge risks for cultural heritage. Although there is a large literature about prevention on historical buildings, the seismic assessment on collections and exhibition designs is usually underestimated. “RESIMUS” long running project involves different knowledge and fields; its goal is to prevent seismic damages to museum collections and artefacts, combining both museographical solutions and anti-seismic methods. This contribution focuses on the “Fontana di Giunone”, designed in 1555 by Bartolomeo Ammannati and currently kept at the Museo Nazionale del Bargello. The museographical and historical researches have been combined with the seismic performance of the reconstructed Fountain. In this paper the first results provided by the seismic analysis of this artefact are shown. A 3D structural model has been set, based on the three dimensional digital model provided by an detailed laser scanner survey. An elastic dynamic analysis has been performed, by representing the seismic input through an ensemble of seven ground motions expressing the seismic hazard of the area. The analysis has provided the seismic response of the sculptures, evidencing its sensitivity to the dynamic properties of the considered ground motions.
Highlights
RESIMUS is a multidisciplinary research group, whose purpose is to define a new methodology of analysis applied to museums so to measure the capacity, the so-called efficiency, of a site in case of dangerous events
A dynamic elastic analysis has been performed through a Finite Element (FEM) code, by assuming the ensemble “statue-pedestal” as a continuum body standing on the courtyard floor, neglecting the interface [9,10] between both soil and pedestal and pedestal and statue
The seismic input assumed in the analysis has been defined according to the Italian Technical Code, by selecting an ensemble of seven ground motion spectrum-compatible to the seismic hazard of the area for the Collapse Prevention (CP) limit state
Summary
RESIMUS is a multidisciplinary research group, whose purpose is to define a new methodology of analysis applied to museums so to measure the capacity, the so-called efficiency, of a site in case of dangerous events. The goal is combining knowledge on museography and anti-seismic methods –in order to prevent risk to the museum collections and artifacts in case of earthquakes. In this phase, the research focuses on the seismic performance of the Fountain of Juno. It is well known that cross-disciplinary studies facilitate the correct interpretation and exhibition of art works in the museum settings; in seismic areas, museum practices have to include anti-seismic methods to prevent risks. A dynamic elastic analysis has been performed through a Finite Element (FEM) code , by assuming the ensemble “statue-pedestal” as a continuum body standing on the courtyard floor, neglecting the interface [9,10] between both soil and pedestal and pedestal and statue. The paper inaugurates a series of studies, whose final aim is to include antiseismic methods and relative technological and museographic solutions inside the museum environments
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