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石灰岩中的盐结晶：材料衰变与化学力学方法

Salt Crystallization in Limestone: Materials Decay and Chemomechanical Approach.

作者信息

Cappai Marta, Casti Marta, Pia Giorgio

机构信息

Dipartimento di Ingegneria Meccanica, Chimica e dei Materiali, Università degli Studi di Cagliari, Via Marengo 2, 09123 Cagliari, Sardinia, Italy.

Materialia Association, 09037 San Gavino Monreale, Sardinia, Italy.

出版信息

Materials (Basel). 2024 Aug 11;17(16):3986. doi: 10.3390/ma17163986.

DOI:10.3390/ma17163986
PMID:39203165
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11356264/
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.

摘要

盐结晶是文化遗产地使用的石灰岩保护中一个特别相关的问题。在本研究中，通过孔隙率和力学测试对石灰岩的各种相进行了表征。对样品进行实验，通过验证50%的样品开始失重时的循环次数来确定它们对盐结晶的抗性。将该实验循环次数与文献中发现的化学力学模型的分析程序计算结果进行比较。比较结果表明该模型具有显著的预测实验数据的能力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/7965699c24bf/materials-17-03986-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/e3aaf89c5e55/materials-17-03986-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/892ea2332992/materials-17-03986-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/4d629aec7974/materials-17-03986-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/dfd18cd6a258/materials-17-03986-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/7d511aa9b8db/materials-17-03986-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/7965699c24bf/materials-17-03986-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/e3aaf89c5e55/materials-17-03986-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/892ea2332992/materials-17-03986-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/4d629aec7974/materials-17-03986-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/dfd18cd6a258/materials-17-03986-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/7d511aa9b8db/materials-17-03986-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c7e/11356264/7965699c24bf/materials-17-03986-g006.jpg

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本文引用的文献

1
Salt mixtures in stone weathering.岩石风化中的盐混合物。
Sci Rep. 2023 Aug 16;13(1):13306. doi: 10.1038/s41598-023-40590-y.
2
Study on Deterioration Law and Mechanism of Gray Brick Due to Salt Crystallization.盐结晶作用下青砖劣化规律及机理研究
Materials (Basel). 2022 Apr 18;15(8):2936. doi: 10.3390/ma15082936.
3
Chemo-mechanics of salt damage in stone.石材盐害的化学-机械作用。
Nat Commun. 2014 Sep 11;5:4823. doi: 10.1038/ncomms5823.