2023
DOI: 10.1016/j.engfracmech.2023.109484
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Experimental investigation on the anisotropy of mode-I fracture and tensile failure of layered shale

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Cited by 12 publications
(3 citation statements)
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“…High confining pressures prevent shale from entering the unstable crack expansion phase. (2) Acoustic emission method 29,30 uncovers the development of cracks within the shale, with the bedding plane affecting not only the fracturing 34,35 show that tension strength increases with bedding angle. Fracture toughness tests 34,36,37 indicate that under various loading conditions, shale cracks tend to deviate toward planes of lowest toughness.…”
Section: Introductionmentioning
confidence: 99%
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“…High confining pressures prevent shale from entering the unstable crack expansion phase. (2) Acoustic emission method 29,30 uncovers the development of cracks within the shale, with the bedding plane affecting not only the fracturing 34,35 show that tension strength increases with bedding angle. Fracture toughness tests 34,36,37 indicate that under various loading conditions, shale cracks tend to deviate toward planes of lowest toughness.…”
Section: Introductionmentioning
confidence: 99%
“…(2) Acoustic emission method 29,30 uncovers the development of cracks within the shale, with the bedding plane affecting not only the fracturing 34,35 show that tension strength increases with bedding angle. Fracture toughness tests 34,36,37 indicate that under various loading conditions, shale cracks tend to deviate toward planes of lowest toughness. Investigations into the anisotropic shear failure characteristics of shale, 38 using Jaeger's shear failure criterion, have highlighted the hydration-induced reduction in shear strength due to clay mineral hydration, leading to a novel hydration shale failure criterion.…”
Section: Introductionmentioning
confidence: 99%
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