Non-Destructive Measurement of Chloride Profiles in Cementitious Materials Using NMR

Leo Pel; Yanliang Ji; Xiaoxiao Zhang; Martijn Kurvers; Zhenping Sun

doi:10.1007/s10921-024-01139-9

Non-Destructive Measurement of Chloride Profiles in Cementitious Materials Using NMR

Leo Pel (Corresponding author), Yanliang Ji, Xiaoxiao Zhang, Martijn Kurvers, Zhenping Sun

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

In order to measure non-destructively the ³⁵Cl in cementitious materials a special NMR setup was developed. Besides ³⁵Cl also quasi-simultaneously both ²³Na and ¹H can be measured. This setup is built around a 4.7 T wide bore superconducting magnet. The present results show that using this setup we can measure non-destructively the ³⁵Cl, ²³Na and ¹H in ordinary Portland cement samples. Using the present setup ³⁵Cl, ²³Na and ¹H profiles can be measured over a longer period of time, hence giving for example the possibility to look at the dynamic binding process of ³⁵Cl and ²³Na during hydration, as is demonstrated. Moreover, the measurement time with the present setup gives the possibility to look at the dynamics processes like, for example, the NaCl solution absorption as is demonstrated, showing NMR can be used for non-destructive evaluation.

Original language	English
Article number	9
Number of pages	9
Journal	Journal of Nondestructive Evaluation
Volume	44
Issue number	1
DOIs	https://doi.org/10.1007/s10921-024-01139-9
Publication status	Published - Mar 2025

Bibliographical note

Publisher Copyright:
© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2024.

Keywords

Chloride content
Ion-transport
NMR
Non-destructive

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10.1007/s10921-024-01139-9

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title = "Non-Destructive Measurement of Chloride Profiles in Cementitious Materials Using NMR",

abstract = "In order to measure non-destructively the 35Cl in cementitious materials a special NMR setup was developed. Besides 35Cl also quasi-simultaneously both 23Na and 1H can be measured. This setup is built around a 4.7 T wide bore superconducting magnet. The present results show that using this setup we can measure non-destructively the 35Cl, 23Na and 1H in ordinary Portland cement samples. Using the present setup 35Cl, 23Na and 1H profiles can be measured over a longer period of time, hence giving for example the possibility to look at the dynamic binding process of 35Cl and 23Na during hydration, as is demonstrated. Moreover, the measurement time with the present setup gives the possibility to look at the dynamics processes like, for example, the NaCl solution absorption as is demonstrated, showing NMR can be used for non-destructive evaluation.",

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AU - Ji, Yanliang

AU - Zhang, Xiaoxiao

AU - Kurvers, Martijn

AU - Sun, Zhenping

N1 - Publisher Copyright: © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2024.

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N2 - In order to measure non-destructively the 35Cl in cementitious materials a special NMR setup was developed. Besides 35Cl also quasi-simultaneously both 23Na and 1H can be measured. This setup is built around a 4.7 T wide bore superconducting magnet. The present results show that using this setup we can measure non-destructively the 35Cl, 23Na and 1H in ordinary Portland cement samples. Using the present setup 35Cl, 23Na and 1H profiles can be measured over a longer period of time, hence giving for example the possibility to look at the dynamic binding process of 35Cl and 23Na during hydration, as is demonstrated. Moreover, the measurement time with the present setup gives the possibility to look at the dynamics processes like, for example, the NaCl solution absorption as is demonstrated, showing NMR can be used for non-destructive evaluation.

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Non-Destructive Measurement of Chloride Profiles in Cementitious Materials Using NMR

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Keywords

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