The application of the acoustic emission technique to stone decay by sodium sulphate in laboratory tests

C. M. Grossi; R M. Esbert; L. M. Suárez del Río

doi:10.3989/mc.1997.v47.i245.510

The application of the acoustic emission technique to stone decay by sodium sulphate in laboratory tests

Authors

C. M. Grossi Depto. de Geología. Universidad de Oviedo
R M. Esbert Depto. de Geología. Universidad de Oviedo
L. M. Suárez del Río Depto. de Geología. Universidad de Oviedo

DOI:

https://doi.org/10.3989/mc.1997.v47.i245.510

Abstract

Acoustic emission was monitored during salt crystallisation cycles in order to study the mechanisms of rock deterioration by sodium sulphate in laboratory tests. Some porous carbonate stones used in Spanish monuments (Cathedral of Oviedo, Murcia and Seo Vella of Lérida) were selected for this study. The acoustic emission detected during the different stages of the cycles (immersion, drying and cooling) was interpreted to be the result of the salt behaviour inside the stone. The use of this technique has confirmed that this behaviour depends on salt characteristics (solubility, hydration state and polymorphism of anhydrous sodium sulphate) and stone porosity and pore network.

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Published

1997-03-30

How to Cite

Grossi, C. M., Esbert, R. M., & Suárez del Río, L. M. (1997). The application of the acoustic emission technique to stone decay by sodium sulphate in laboratory tests. Materiales De Construcción, 47(245), 5–15. https://doi.org/10.3989/mc.1997.v47.i245.510

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Issue

Vol. 47 No. 245 (1997)

Section

Research Articles

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