Natural stone portals of the town of Udine (Italy): their design, construction and materials between the 15th and 20th centuries
Published:January 01, 2007
Anna Frangipane, 2007. "Natural stone portals of the town of Udine (Italy): their design, construction and materials between the 15th and 20th centuries", Building Stone Decay: From Diagnosis to Conservation, R. Přikryl, B. J. Smith
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The research focuses on the features of 250 natural stone portals of the civil buildings of the town of Udine (NE Italy), dating between the 15th and 20th centuries. In order to clearly define the number, characteristics and uniqueness of these architectural elements, three strategies were implemented: (i) a concise database of all the portals; (ii) a concise reference database of more than 100 portals of five significant nearby towns; and (iii) a detailed inventory, consisting of data and photographs of about 200 portals selected for relevance or because they represent a recurrent type. The analysis of the data collected, supported by reference studies of quarry location, stone-cutter activity, the work of architects, cultural relationships with immediate and distant influences permitted the definition of an interdisciplinary framework describing the main features of portal production, as related to formal evidence, stone materials, historical building and carving techniques. The rational organization of the huge set of data collected represents an effective working tool, interconnecting different aspects of the portals' realization, which was indispensable for the research, but will also be useful for further research on the role of stone material in the historic buildings of Udine.
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Building Stone Decay: From Diagnosis to Conservation
Stone buildings and monuments from the cultural centres of many of the world's urban areas. Frequently these areas are prone to high levels of atmospheric pollution that promote a variety of aggressive stone decay processes. Because of this, stone decay is now widely recognized as a severe threat to much of our cultural heritage. If this threat is to be successfully addressed it is essential that the symptoms of decay are clearly identified, that appropriate stone properties are accurately characterized and that decay processes are precisely identified. It is undoubtedly the case that successful conservation has to be underpinned by a comprehensive understanding of the causes of decay and the factors that control them. The accomplishment of these demanding goals requires an interdisciplinary approach based on co-operation between geologists, environmental scientists, chemists, material scientists, civil engineers, restorers and architects. In pursuit of this collaboration, this volume aims to strengthen the knowledge base dealing with the causes, consequences, prevention and solution of stone decay problems.