Materiales de Construcción, Vol 49, No 253 (1999)

Decay of granite monuments due to salt crystallization in a non-polluted urban environment


https://doi.org/10.3989/mc.1999.v49.i253.454

J. García-Talegón
Área de Química y Geoquímica Ambiental. Instituto de Recursos Naturales y Agrobiología, CSIC. Unidad Asociada IRNASA/CSIC-Universidad de Salamanca, Spain

M. A. Vicente
Área de Química y Geoquímica Ambiental. Instituto de Recursos Naturales y Agrobiología, CSIC. Unidad Asociada IRNASA/CSIC-Universidad de Salamanca, Spain

E. Molina
Dpto. de Geología. Facultad de Ciencias, Univ. de Salamanca, Spain

Abstract


The effect of salt crystallization on granite (s.l) rocks used as building material in an urban environment with low atmospheric pollution was studied. The manners of salt crystallization and the subsequent deterioration caused were analyzed in unweathered granite and other fades which had undergone strong transformations in quarries before being used as stone materials, "alterites".

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