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Crack Initiation and Propagation of Clays Under Indirect Tensile Strength Test by Bending Related to the Initial Suction

Abstract : The aim of this research is to analyze, by experimental approach, the impact of suction in the tensile strength and cracking phenomenon of unsaturated clayey soils samples. Through a bending tests, and a clay submitted to different level of suction (361 MPa, 110 MPa and 38 MPa), the approach consisted first in estimating the tensile strength which controls the initiation of tensile cracks. Then, using digital image correlation method, the propagation of cracks was precisely followed through the local strains development around the crack and close the crack tip.
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https://hal.univ-lorraine.fr/hal-03251256
Contributor : Farid Abed-Meraim <>
Submitted on : Sunday, June 6, 2021 - 9:03:07 PM
Last modification on : Monday, June 7, 2021 - 3:29:45 AM

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Lamine Ighil Ameur, Mahdia Hattab. Crack Initiation and Propagation of Clays Under Indirect Tensile Strength Test by Bending Related to the Initial Suction. L. Laloui, A. Ferrari. Springer Series in Geomechanics and Geoengineering, pp.173-180, 2017, Advances in Laboratory Testing and Modelling of Soils and Shales (ATMSS), 978-331952772-7. ⟨10.1007/978-3-319-52773-4_19⟩. ⟨hal-03251256⟩

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