Journal
JOURNAL OF CULTURAL HERITAGE
Volume 29, Issue -, Pages 1-9Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.culher.2017.08.003
Keywords
Panel painting; Conservation; Wood; Hygro-mechanics; Climatic conditions; Numerical simulation
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Funding
- German Research Foundation (DFG) [KA 1163/25]
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Hygro-mechanical phenomena induced by moisture loading of a historical wooden panel painting from the 16th century are investigated in this study. Due to swelling and shrinking strains resulting from an inappropriate and restraining support frame, damage in terms of ruptures on the painting itself and large curvature have developed. A brief history of the painting and its conservation status are summarised. A two-phase multi-Fickian diffusion model for moisture transport in wood and a consistently coupled hygromechanical simulation are applied to explore the influence of different realistic scenarios of climatic change on the panel painting itself and its supporting frame. The hereby gained results can be used to predict the general mechanical behaviour, and help to identify critical parts of the structure and risky climatic situations, which could increase damage. New methods of conservation in terms of innovative stabilising wood frames and adjusted climatic conditions can efficiently be evaluated with the help of the presented approach. (C) 2017 Elsevier Masson SAS. All rights reserved.
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