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Article

Salt Crystallization in Limestone: Materials Decay and Chemomechanical Approach

by
Marta Cappai
1,2,
Marta Casti
2 and
Giorgio Pia
1,2,*
1
Dipartimento di Ingegneria Meccanica, Chimica e dei Materiali, Università degli Studi di Cagliari, Via Marengo 2, 09123 Cagliari, Sardinia, Italy
2
Materialia Association, 09037 San Gavino Monreale, Sardinia, Italy
*
Author to whom correspondence should be addressed.
Materials 2024, 17(16), 3986; https://doi.org/10.3390/ma17163986
Submission received: 5 July 2024 / Revised: 6 August 2024 / Accepted: 8 August 2024 / Published: 11 August 2024
(This article belongs to the Special Issue Stone Building Materials: Characterization, Decay, and Conservation (Second Edition))
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Abstract

Salt crystallization is a particularly relevant issue in the conservation of limestones used in Cultural Heritage sites. In this study, various facies of limestones were characterized through porosimetric and mechanical tests. The samples were subjected to experiments to determine their resistance to salt crystallization by verifying the number of cycles at which 50% of them began to lose weight. This number of experimental cycles was compared with the result calculated by the analytical procedure of a chemomechanical model found in the literature. The comparison showed a significant capability of the model to predict the experimental data.
Keywords: limestone; sodium sulfate; decay limestone; sodium sulfate; decay

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MDPI and ACS Style

Cappai, M.; Casti, M.; Pia, G. Salt Crystallization in Limestone: Materials Decay and Chemomechanical Approach. Materials 2024, 17, 3986. https://doi.org/10.3390/ma17163986

AMA Style

Cappai M, Casti M, Pia G. Salt Crystallization in Limestone: Materials Decay and Chemomechanical Approach. Materials. 2024; 17(16):3986. https://doi.org/10.3390/ma17163986

Chicago/Turabian Style

Cappai, Marta, Marta Casti, and Giorgio Pia. 2024. "Salt Crystallization in Limestone: Materials Decay and Chemomechanical Approach" Materials 17, no. 16: 3986. https://doi.org/10.3390/ma17163986

APA Style

Cappai, M., Casti, M., & Pia, G. (2024). Salt Crystallization in Limestone: Materials Decay and Chemomechanical Approach. Materials, 17(16), 3986. https://doi.org/10.3390/ma17163986

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