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3-Dimensional Digital Image Correlation for Strains Determination in Clayey Soil

Abstract : Landfills come with a cover barrier which includes a compacted clay liner essential to safety on site. Unfortunately differential settlement may cause stress in the clay layer leading to the development of cracks. This is why tensile stress damage and shearing are observed on the cap cover. Due to difficulties of strains determination in clayey soil during direct tensile tests a 3-dimensional digital image correlation is used. Two digital cameras are used at a constant distance from the sample tested. Pictures taken at preset intervals are post-processed to extract specimen strain and strain localization. The suitability of this method is discussed in regards of experimental results. This technique is particularly well adapted to the clayey soils when conventional measurements are impossible.
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Contributor : Murad Abuaisha <>
Submitted on : Thursday, January 30, 2020 - 11:49:32 AM
Last modification on : Thursday, November 19, 2020 - 3:54:39 PM

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Olivier Ple, Ali Tourabi, Murad S. Abuaisha. 3-Dimensional Digital Image Correlation for Strains Determination in Clayey Soil. Applied Mechanics and Materials, Trans Tech Publications, 2013, ⟨10.4028/www.scientific.net/AMM.353-356.463⟩. ⟨hal-02460736⟩

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