Research Article
Study of SCA-Induced Rock Crack Propagation under Different Stress Conditions Using a Modified Cohesive Element Method
Table 1
Rock mechanical properties used in this study.
| | Mechanical parameters | Values |
| | Elastic modulus of the solid element, Eo (GPa) | 10.16 | | Poisson’s ratio of the solid element, | 0.28 | | Cohesion of the solid element, c (MPa) | 18.3 | | Friction angle of the solid element, φo (°) | 35.0 | | Tensile strength, st (MPa) | 3.97 | | Elastic modulus of the cohesive element, En (GPa) | 10.16 | | Shear modulus of the cohesive element, Es (GPa) | 3.91 | | Pure shear strength of the cohesive element, S (MPa) | 18.3 | | Tensile strength of the cohesive element, T (MPa) | 3.97 | | Equivalent friction angle of the cohesive element, φ (°) | 35.0 | | Mode-I fracture energy, GIC (Pa·m) | 103 | | Mode-II fracture energy, GIIC (Pa·m) | 154 |
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