Salt Crystallization in Limestone: Materials Decay and Chemomechanical Approach

被引：2

作者：

Cappai, Marta ^{[1
,2
]}

Casti, Marta ^{[2
]}

Pia, Giorgio ^{[1
,2
]}

机构：

[1] Univ Cagliari, Dipartimento Ingn Meccan Chim & Materiali, Via Marengo 2, I-09123 Cagliari, Italy

[2] Materialia Assoc, I-09037 San Gavino Monreale, Sardinia, Italy

来源：

MATERIALS | 2024年 / 17卷 / 16期

关键词：

limestone; sodium sulfate; decay; BUILDING STONES; POROUS MATERIALS; DAMAGE;

D O I：

10.3390/ma17163986

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页数：12

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