Bernardi, A and Camuffo, D and Del Monte, M and Sabbioni, C (1985) Microclimate and weathering of a historical building: The Ducal Palace in Urbino. Science of The Total Environment, 46 (1-4). pp. 243-260. ISSN 00489697

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Abstract

Among the many historical buildings in Italy, the Ducal Palace of Urbino (XV Century) was chosen in order to study the weathering of stones at a relatively unpolluted site. The main mechanisms of the physical and chemical processes leading to natural weathering could therefore be identified without interference from high pollution levels, such as found in cities, where sulphation dominates. A microclimatic study was carried out in order to determine both the seasonal and diurnal thermal and hygrometric cycles and exchanges of heat and vapour between the stone and the atmosphere. A comparison of environmental forcing cycles over deteriorated and non-deteriorated zones, led to the conclusion that processes induced by micro-climate play a negligible role compared with those induced by liquid water supplied by rainfall. The chemical and physical processes of stone weathering, due both to dissolution and recrystallization of calcium carbonate, and to transformation and crystallization of gypsum inside the stone, were identified. A process of stone weakening due to the internal circulation of rain water is demonstrated. Finally, some suggestions are made for a more effective conservation of artistic heritage.

Item Type:	Article
Uncontrolled Keywords:	Historic building; Stone decay; Weathering; Microclimate; Moisture
Subjects:	English > Management and Case Studies
Depositing User:	Anna Samuelsson
Date Deposited:	04 Mar 2008 09:36
Last Modified:	13 Mar 2017 11:03
URI:	http://eprints.sparaochbevara.se/id/eprint/30

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