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Increased salt and frost damages in solid neo-Gothic brickwork masonry due to low permeable restoration materials of the 20th century
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of Art History. (Kulturvård)ORCID iD: 0000-0002-2994-1766
2014 (English)In: 9th IMC, Book of Abstract / [ed] Paulo B. Lourenco, Barry A. Haseltine, Graca Vasconcelos, 2014Conference paper, Published paper (Refereed)
Abstract [en]

In Gothenburg many stone buildings of brickwork were built during the neo-Romanesque and neo-Gothic period in the late 19th century. The masonry was solid with a wall of bricks often covered with facing bricks with a hard burned water repellent surface. At Örgryte new church the bricks were put in lime mortar but the surface of the joints was made with a thin cement mortar layer. Salt problems are known in this church since early 20th century and the subsequent need of maintenance have led to several extensive restorations with replacement of external facing bricks and internal lime plaster during the years. In each restoration more low permeable facing bricks and more low permeable cement mortars have been chosen, followed by new problems inside the wall as the water transport properties in the wall has changed. Whereas salts have caused problems mainly on the surface, the restoration materials have caused problems with frost and salt damages in bricks and lime mortars in the wall core behind them.

Place, publisher, year, edition, pages
2014.
Keyword [en]
brickwork, lime mortar, cement mortar, salt damage, deterioration, facing bricks, moisture transport
National Category
Other Natural Sciences
Research subject
Conservation (HGO)
Identifiers
URN: urn:nbn:se:uu:diva-237216ISBN: 978-972-8692-85-8 (print)OAI: oai:DiVA.org:uu-237216DiVA: diva2:767194
Conference
9th International Masonry Conference, July 7-9, 2014, Guimarães, Portugal
Available from: 2014-12-01 Created: 2014-12-01 Last updated: 2014-12-02Bibliographically approved

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Balksten, Kristin

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