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SALT PUSTULES / SALT CRUST
SALT PUSTULES / SALT CRUST

Muestra

Wall built in carbonated sandstone during the enlargement of the building in the XVIII century, with different repairs in the XX century. Seu Vella of Lleida (Old Cathedral).

Causas de la patología

Salt crusts from the mortar leaching and from ground capillary rise crystallized on the surface of the ashlar due to repeated evaporation-hydratation cycles.

Imagen de visu

Autor: Manuel Iglesias
Descripción: White deposits with different degrees of cohesion, hardness and adherence around the replaced ashlars, and in the lower parts of the wall.

Imagen detalle / macro

SALT PUSTULES / SALT CRUST: SALT PUSTULES / SALT CRUST
SALT PUSTULES / SALT CRUST: SALT PUSTULES / SALT CRUST
Autor: Manuel Iglesias
Aumentos: scale
Descripción: Granulated crystals forming a compact crust sparsely covered by the film solution.

Patologías Asociadas

Alveolization.

Contour scaling.

Blistering.

Flaking.

Spalling.

Sanding.


Bibliografía

ARNOLD, A. & KUENG, A. (1985). Cristallization and Habits of Salt Efflorescences on Walls. Part I, Methods of Investigation and Habits. Vth hitemational Congress on Deterioration and Conservation of Stone. Lausanne. pp. 255-268.

 

ARNOLD, A. &  ZEHNDER, K., (1985), Cristallization and Habits of Salt Efflorescences on Walls. Part.II, Conditions of Cristallization. Vth International Congress on Deterioration and Conservation of Stone, Lausanne. pp. 269-277.

ICOMOS-ICS (2008). Illustrated glossary on stone deterioration pattern.

http://international.icomos.org/publications/monuments_and_sites/15/pdf/Monuments_and_Sites_15_ISCS_Glossary_Stone.pdf 

 

ORDAZ, J., & ESBERT, R. (1988). Glosario de términos relacionados con el deterioro de las piedras de construcción. Materiales de Construcción, 38 (209): 39-45. doi: 10.3989/mc.1988.v38.i209.847


Autor

Manuel Iglesias Campos. manuel.iglesias@cetec-patrimoni.com

Restorer


Institución o Empresa

Universitat de Barcelona


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