A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Conservation of Granite Buildings and Monuments
Granite is considered to be a durable building stone, but recent research has highlighted the problem of decay affecting granite used in the construction of historic buildings and monuments, and has assessed the various forms of such decay. This paper reviews some of the research work and discusses the effects of weathering, decay and soiling on granite. Conservation strategies are considered in respect of; repointing of joints, stone replacement, stone cleaning and graffiti removal, and their likely impact on the granite. Conventional conservation practice for stone promotes lime mortar as the recommended material for jointing and repointing. The role of mortars in the decay of granite, particularly mortars with a high calcium content, and their potential as a source of salts for the accelerated decay of granite in urban environments, is thought to be important. The replacement of decayed stone with new granite is now beginning to be implemented and the implications of such a policy for the conservation of buildings are discussed. Granite is not immune to the effects of stone cleaning and graffiti removal, and the potential for damage from these interventions can be significant in certain circumstances.
Conservation of Granite Buildings and Monuments
Granite is considered to be a durable building stone, but recent research has highlighted the problem of decay affecting granite used in the construction of historic buildings and monuments, and has assessed the various forms of such decay. This paper reviews some of the research work and discusses the effects of weathering, decay and soiling on granite. Conservation strategies are considered in respect of; repointing of joints, stone replacement, stone cleaning and graffiti removal, and their likely impact on the granite. Conventional conservation practice for stone promotes lime mortar as the recommended material for jointing and repointing. The role of mortars in the decay of granite, particularly mortars with a high calcium content, and their potential as a source of salts for the accelerated decay of granite in urban environments, is thought to be important. The replacement of decayed stone with new granite is now beginning to be implemented and the implications of such a policy for the conservation of buildings are discussed. Granite is not immune to the effects of stone cleaning and graffiti removal, and the potential for damage from these interventions can be significant in certain circumstances.
Conservation of Granite Buildings and Monuments
Urquhart, D.C.M. (author) / Young, M.E. (author)
Journal of Architectural Conservation ; 4 ; 62-78
1998-01-01
17 pages
Article (Journal)
Electronic Resource
English
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