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Abstract
The measurement of strain is a fundamental and widely studied parameter in engineering, rock mechanics, construction and materials testing. Contact sensors often used in these fields require contact with the target surface throughout the duration of a strain event. Non-contact methods typically require that that the measurement surface is prepared and often coated prior to testing. This paper considers the potential application of near infrared spectroscopy as a non-contact technique for the measurement of strain on natural surfaces. Excellent correlation was found between surface measurements of visible-NIR spectra and longitudinal strain taken during indirect Brazilian Disc Test for samples of sandstone, marble and basalt.
Original language | English |
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Pages (from-to) | 432-440 |
Number of pages | 9 |
Journal | Journal of Near Infrared Spectroscopy |
Volume | 27 |
Issue number | 6 |
Early online date | 28 Aug 2019 |
DOIs | |
Publication status | Published - 1 Dec 2019 |
Keywords
- Strain Measurement
- indirect tensile strength
- near infrared spectroscopy
- rock
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Dive into the research topics of 'Near infrared spectroscopic measurement of strain in rocks'. Together they form a unique fingerprint.Projects
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RML: Rock Mechanics Laboratory
Benson, P. (PI), Koor, N. (CoI), Solana, C. (CoI), Rowley, P. (Research Leader), Bullen, D. (CoI), Azizi, A. (CoI), Clunes Squella, M. (Research Leader), Grant, T. (Team Member), Ibemesi, P. (Team Member) & Massa, G. (Team Member)
1/02/12 → …
Project: Research