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Verifying the operation of an elastic crossbar system applied to a panel painting: the Deposition from the Cross by an anonymous artist from Abruzzo, sixteenth century.

Authors :
Cocchi, Linda
Marcon, Bertrand
Goli, Giacomo
Mazzanti, Paola
Castelli, Ciro
Santacesaria, Andrea
Uzielli, Luca
Source :
Studies in Conservation; Apr2017, Vol. 62 Issue 3, p150-161, 12p
Publication Year :
2017

Abstract

This study deals with the post-treatment evaluation of the elastic crossbar system already designed and installed on the recently restored panel paintingDeposition from the Crossby an anonymous artist from Abruzzo (sixteenth century). After the restoration, the panel and the crossbars were subjected to mechanical tests to identify their elastic characteristics. Then the panel, equipped with the elastic crossbar system, was subjected for about two months to controlled environmental cycles made up of approximately constant humidity periods. During the two months, the forces exerted by the springs and the deformations of both panel and crossbars were continuously monitored. A mathematical model, calibrated on the specific parameters derived from the analysis of the panel, provided the deformation that the panel would have shown without the crossbars; comparing the model output with the measured data provided a restraining effect (RE) of approximately 7% (RE could range between zero – no restraint – and 100% – total restraint). Future developments of this project will define appropriate procedures to design an elastic crossbar system for a given panel, once the expert judgement of restorers has identified the most desirable RE to be achieved. [ABSTRACT FROM PUBLISHER]

Details

Language :
English
ISSN :
00393630
Volume :
62
Issue :
3
Database :
Supplemental Index
Journal :
Studies in Conservation
Publication Type :
Academic Journal
Accession number :
121998665
Full Text :
https://doi.org/10.1080/00393630.2015.1137426