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Using neutron spectroscopy to measure soil-water retention at high suction ranges
Version 2 2024-06-05, 02:59Version 2 2024-06-05, 02:59
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journal contribution
posted on 2024-06-05, 02:59 authored by GG Carnero-Guzman, Will GatesWill Gates, A Bouazza, Laurie AldridgeLaurie Aldridge, HN Bordallo© 2019, Canadian Science Publishing. All rights reserved. Laboratory determination of water retention curves for geosynthetic clay liners (GCLs) and their bentonite components are time-consuming, especially for high suction ranges. This paper explores the potential use of neutron spectroscopy as a useful method to assess the water retention properties of montmorillonite at suction levels >10 MPa for GCL studies. The results from neutron spectroscopy are in good agreement with traditional methods when assessing the water retention of bentonite and GCLs. Additionally, the primary advantage of neutron scattering is that, contrary to conventional methods, water populations within the clay matrix, such as bulk-like water, confined water, and structure OH, are observed and can be quantified independently.
History
Journal
Canadian Geotechnical JournalVolume
56Pagination
1999-2003Location
Ottawa, Ont.Publisher DOI
ISSN
0008-3674eISSN
1208-6010Language
engPublication classification
C1 Refereed article in a scholarly journalIssue
12Publisher
Canadian Science PublishingUsage metrics
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