A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The subject of the thesis is salt and moisture movement that causes damage to wall paintings on church vaults. The deterioration was studied in the three churches of Fanefjord, Kirkerup and Brarup, and a desalination method was tested. The salt and moisture transfer was examined in detail in laboratory experiments, and a model for the salt and moisture transfer was proposed. In Brarup church the paintings have almost disappeared from the chancel vault, and some of the bricks have powdered on the top side. These damaged bricks have more capillary pores than the well preserved bricks, and they hold a high content of sodium chloride. The decay of the bricks may have been catalysed by sodium chloride, but the disruption was probably caused by the precipitation of gypsum, which was found only in the brick powder.
The subject of the thesis is salt and moisture movement that causes damage to wall paintings on church vaults. The deterioration was studied in the three churches of Fanefjord, Kirkerup and Brarup, and a desalination method was tested. The salt and moisture transfer was examined in detail in laboratory experiments, and a model for the salt and moisture transfer was proposed. In Brarup church the paintings have almost disappeared from the chancel vault, and some of the bricks have powdered on the top side. These damaged bricks have more capillary pores than the well preserved bricks, and they hold a high content of sodium chloride. The decay of the bricks may have been catalysed by sodium chloride, but the disruption was probably caused by the precipitation of gypsum, which was found only in the brick powder.
Desalination of Painted Brick Vaults
P. K. Larsen (author)
1998
156 pages
Report
No indication
English
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