The role of friction in the seismic risk mitigation of freestanding art objects

Michelina Monaco (), Mariateresa Guadagnuolo () and Antonio Gesualdo ()

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2014, vol. 73, issue 2, 389-402

Abstract: The problem of reducing the seismic risk for art objects, that are the objects generally contained within Museums, is of great interest. The first studies were performed in Japan and were successively organized in a general framework by a research program performed at Southern California University and sponsored by the Getty Museum at Malibu, California. In these papers and in the following Italian studies, the theoretical models for the problem concerning vases and statues are based on the dynamic behavior of rigid blocks and have been deeply developed. Unfortunately, because of the great lack of experimental data, determinant parameters for the problem characterization (like the friction between two superimposed blocks or between the art object and the support plane) are often assumed without reference to real values derived from laboratory tests. This paper presents the results of a research program containing the experimental determination of the friction coefficient between the art object and the support (by means of a testing apparatus on purpose realized) together with dynamic tests performed on simple-shaped objects made of different materials. The dynamic tests were performed using an unidirectional shaking table and different supporting surfaces, so that the influence of different friction coefficients has been analyzed. Copyright Springer Science+Business Media Dordrecht 2014

Keywords: Rigid body; Dynamics; Friction; Rocking; Laboratory tests; Art objects (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1007/s11069-014-1076-9

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