Characterization of pore system and their influence on decay rates caused by salt weathering on limestones and dolostones quarried in Abanto (Zaragoza, Spain)

Authors

  • O. Buj Universidad de Zaragoza. Facultad de Ciencias
  • P. L. López Universidad de Zaragoza. Facultad de Ciencias
  • J. Gisbert Universidad de Zaragoza. Facultad de Ciencias

DOI:

https://doi.org/10.3989/mc.2010.50108

Keywords:

Limestone, Dolostone, Decay, Durability, Pore Size Distribution

Abstract


The Abanto natural stone is a rock used in modern constructions and currently quarried as an ornamental rock in Abanto, Zaragoza. The varieties described here are a limestone with depositional texture and a crystalline limestone. In this work we have carried out a detailed study of the mineralogy, texture, hydric behaviour, pore system characteristics, dynamic behaviour and behaviour against the effects of salt crystallisation. After 30 cycles of salts crystallization, the weight loss in these rocks is lower than 0.5%. This low weathering is a consequence of the configuration of their pore system, characterised by a low open porosity and high percentages of microporosity with pore-throat sizes on average of less than a 0.2 µm. The petrographical and physical characteristics, as well as its high resistance against salt crystallisation confer these rocks a high technical quality for their use as building stones in modern construction.

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Published

2010-09-30

How to Cite

Buj, O., López, P. L., & Gisbert, J. (2010). Characterization of pore system and their influence on decay rates caused by salt weathering on limestones and dolostones quarried in Abanto (Zaragoza, Spain). Materiales De Construcción, 60(299), 99–114. https://doi.org/10.3989/mc.2010.50108

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Research Articles