Nondestructive Measurement of the Water Content in Building Materials by Single-Sided NMR-MOUSE

Quzhen Zhaxi, Hua Zhou (), Zhenyu Long, Juwen Guo, Yanping Zhou and Zhongjian Zhang ()
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Quzhen Zhaxi: Cultural Relics Conservation Institute of Tibet Autonomous Region, Lhasa 850001, China
Hua Zhou: College of Applied Arts and Science, Beijing Union University, Beijing 100191, China
Zhenyu Long: Department of Civil Engineering, School of Engineering and Technology, China University of Geosciences (Beijing), Beijing 100083, China
Juwen Guo: China Academy of Cultural Heritage, Beijing 100029, China
Yanping Zhou: Ji’an Cultural Relics Bureau, Tonghua 134299, China
Zhongjian Zhang: Department of Civil Engineering, School of Engineering and Technology, China University of Geosciences (Beijing), Beijing 100083, China

Sustainability, 2023, vol. 15, issue 14, 1-13

Abstract: Water has a significant impact on the properties of building materials. A nuclear magnetic resonance (NMR) spectrometer can be used to detect water in materials and measure its distribution nondestructively, rapidly, and accurately. In this paper, a novel method is introduced for using single-sided NMR to measure the water content (WC) of building materials, including brick, sandstone, mortar, and concrete. The NMR signal intensity and water content of these building materials were measured using a single-sided NMR-MOUSE PM25 and a high-precision electronic scale, respectively. A total of 80 groups of NMR signal intensity and water content data were obtained in two different measurement environments. The NMR signal intensity and water content data for each of the four building materials were fitted by the least squares method. The similarity of the coefficients of the determined correlations demonstrated that these relations are universal for building materials and independent of the NMR signal intensity and water content measurement environments.

Keywords: single-sided NMR; nondestructive; building materials; water content; cultural relics (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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