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Type: Journal article
Title: Passive arching in rubberized sand backfills
Author: Khatami, H.
Deng, A.
Jaksa, M.
Citation: Canadian Geotechnical Journal, 2020; 57(4):549-567
Publisher: NRC Research Press; Canadian Science Publishing
Issue Date: 2020
ISSN: 0008-3674
Statement of
Hamidreza Khatami, An Deng, and Mark Jaksa
Abstract: The deformation and stress profiles of passive arching in a coarse sand and two rubberized sand backfills were investigated using a trapdoor apparatus. The trapdoor apparatus was instrumented with high-speed imaging equipment and a series of pressure sensors. The images of the deformation process in the backfills were analysed using the digital image correlation technique. The effect of a local surcharge on the deformation and stress profiles was also examined. It was observed that the rubber inclusions helped reduce the deformation of the backfills. Passive arching moduli and stress variations between the backfills examined are compared.
Keywords: Rubber–sand; arching effect; digital image correlation; deformation;, trapdoor apparatus; dilation angle
Rights: Copyright remains with the author(s) or their institution(s). Permission for reuse (free in most cases) can be obtained from RightsLink.
DOI: 10.1139/cgj-2018-0672
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Civil and Environmental Engineering publications

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