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with NaCl and Na<sub>2</sub>SO<sub>4</sub> are presented. The results,  which are entirely in line with complementary μ-XRF measurements, vividly show changes in the microstructure of the salt-contaminated samples. These changes, which are reflected in increased cutting resistance peaks, are consistent in both the scratching and drilling resistance patterns,  and they suggest that salts accumulate  at or near the evaporation surface of the test specimens, resulting in pore clogging.},
with NaCl and Na<sub>2</sub>SO<sub>4</sub> are presented. The results,  which are entirely in line with complementary μ-XRF measurements, vividly show changes in the microstructure of the salt-contaminated samples. These changes, which are reflected in increased cutting resistance peaks, are consistent in both the scratching and drilling resistance patterns,  and they suggest that salts accumulate  at or near the evaporation surface of the test specimens, resulting in pore clogging.},
key = {SWBSS 2021},
key = {SWBSS 2021},
url = {https://predict.kikirpa.be/wp-content/uploads/2021/12/SWBSS2021_Procedings.pdf},
url = {https://predict.kikirpa.be/wp-content/uploads/2021/12/SWBSS2021_Procedings.pdf },
author = {Kyriakou, L. and Sanchez, A.M.A. and Nunes, C. and Ioannou, I.}
author = {Kyriakou, L. and Sanchez, A.M.A. and Nunes, C. and Ioannou, I.}
}
}

Aktuelle Version vom 25. April 2023, 14:40 Uhr

Autor Kyriakou, L.; Sanchez, A.M.A.; Nunes, C.; Ioannou, I.
Jahr 2021
Titel Assessment of salt distribution in Maastricht and migné limestones with the use of micro-destructive techniques
Bibtex @inproceedings { Kyriakou.etal:2021,

title = {Assessment of salt distribution in Maastricht and migné limestones with the use of micro-destructive techniques}, booktitle = {Proceedings of SWBSS 2021 – Fifth International Conference on Salt Weathering of Buildings and Stone Sculptures}, year = {2021}, editor = {Lubelli, B.; Kamat, A.A.; Quist, W.J.}, pages = {153-162}, publisher = {TU Delft Open}, note = {The durability of building materials against salt crystallization is currently assessed using standardized and other accelerated weathering laboratory tests. However, these test methods usually do not simulate the performance of a material in practice realistically. Therefore, they do not always shed enough light on the evaluation of the salt crystallization phenomenon and the prevention of its damaging results. This study focuses on the use of two micro-destructive cutting techniques, based on the measurement of scratching and drilling resistance, to assess salt distribution within Maastricht and Migné limestones, following the procedure developed within the framework of RILEM TC ASC-271 activities for the accumulation of salts. Data collected on freshly quarried reference samples and samples contaminated with NaCl and Na2SO4 are presented. The results, which are entirely in line with complementary μ-XRF measurements, vividly show changes in the microstructure of the salt-contaminated samples. These changes, which are reflected in increased cutting resistance peaks, are consistent in both the scratching and drilling resistance patterns, and they suggest that salts accumulate at or near the evaporation surface of the test specimens, resulting in pore clogging.}, key = {SWBSS 2021}, url = {https://predict.kikirpa.be/wp-content/uploads/2021/12/SWBSS2021_Procedings.pdf }, author = {Kyriakou, L. and Sanchez, A.M.A. and Nunes, C. and Ioannou, I.} }

DOI
Link
Bemerkungen in: Lubelli, B.; Kamat, A.A.; Quist, W.J. (Hrsg.): Proceedings of SWBSS 2021 – Fifth International Conference on Salt Weathering of Buildings and Stone Sculptures,TU Delft Open 153-162


Eintrag in der Bibliographie

[Kyriakou.etal:2021]Kyriakou, L.; Sanchez, A.M.A.; Nunes, C.; Ioannou, I. (2021): Assessment of salt distribution in Maastricht and migné limestones with the use of micro-destructive techniques. In: Lubelli, B.; Kamat, A.A.; Quist, W.J. (Hrsg.): Proceedings of SWBSS 2021 – Fifth International Conference on Salt Weathering of Buildings and Stone Sculptures,TU Delft Open 153-162, Webadresse.Link zu Google Scholar

Keywords[Bearbeiten]

Salt Crystallization, micro-drilling, scratching, μ-XRF, limestone

Abstract[Bearbeiten]

The durability of building materials against salt crystallization is currently assessed using standardized and other accelerated weathering laboratory tests. However, these test methods usually do not simulate the performance of a material in practice realistically. Therefore, they do not always shed enough light on the evaluation of the salt crystallization phenomenon and the prevention of its damaging results. This study focuses on the use of two micro-destructive cutting techniques, based on the measurement of scratching and drilling resistance, to assess salt distribution within Maastricht and Migné limestones, following the procedure developed within the framework of RILEM TC ASC-271 activities for the accumulation of salts. Data collected on freshly quarried reference samples and samples contaminated with NaCl and Na2SO4 are presented. The results, which are entirely in line with complementary μ-XRF measurements, vividly show changes in the microstructure of the salt-contaminated samples. These changes, which are reflected in increased cutting resistance peaks, are consistent in both the scratching and drilling resistance patterns, and they suggest that salts accumulate at or near the evaporation surface of the test specimens, resulting in pore clogging.