Research Article
Study on Activation Behavior of Complex Fracture Network in Weak-Planar Rock
Table 2
Main parameters of material cohesive element in model II.
| Parameters | Material | Matrix cohesive unit | The weak plane I corresponds to the cohesive unit | The weak plane II corresponds to the cohesive unit |
| Tensile strength (MPa) | 5 | 1 | 0.5 | Shear strength (MPa) | 20 | 4 | 2 | Tensile critical fracture energy (J/m2) | 100 | 20 | 10 | Shear critical fracture energy (J/m2) | 4500 | 900 | 450 |
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