Influencia de la anisotropic en la durabilidad de las dolomías Cretácicas de la Comunidad de Madrid frente a la cristalización de sales

R. Fort, B. Fernández-Revuelta, M. J. Varas, M. Álvarez De Buergo, M. Taborda-Duarte

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

30 Citas (Scopus)

Resumen

The behaviour of dolostone exposed to the effects of salt crystallization processes was studied on materials from Redueña and Torrelaguna in the province of Madrid, Spain. Much of the region's architectural and monumental heritage was built with the materials from these two sites. Stone specimens were selected for testing on the basis of ultrasonic wave propagation velocity (Vp) measurements taken in around one hundred cubic samples of each variety. The anisotropy indices were calculated and the samples were clustered on the basis of the results. Two representative samples of each class were taken and characterized for their petrographic and petrophysical properties before and after exposure to salt crystallization cycles. Ageing was evaluated in terms of weight loss and the visual deterioration observed. The pattern of decay found varied substantially in the two materials: the Redueña material exhibited more intense deterioration, with scaling and spalling, while the Torrelaguna dolostone tended to generate fragmentation and rounding at corners and edges.

Título traducido de la contribuciónInfluence of anisotropy on the durability of Madrid-region Cretaceous dolostone exposed to salt crystallization processes
Idioma originalEspañol
Páginas (desde-hasta)161-178
Número de páginas18
PublicaciónMateriales de Construccion
Volumen58
N.º289-290
DOI
EstadoPublicada - 2008

Palabras clave

  • Anisotropy indices
  • Deterioration
  • Dolostone
  • Natural stone
  • Salt crystallization
  • Ultrasound

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