Research Article
An Experimental and Numerical Investigation on the Initiation and Interaction of Double Cracks in Rocks under Hydromechanical Coupling
Table 1
Angles and lengths of 3D crack growth in tests.
| Water pressure (MPa) | Initiation angle α (°) | Growth length ∆l (mm) | ∆lB1/∆lA1 | αA1 | αA2 | ∆lA1 | ∆lA2 | ∆lB1 |
| 0 | 70.8 | 71.1 | 10.2 | 9.4 | 0.2 | 0.020 | 2.0 | 66.0 | 67.0 | 8.5 | 8.1 | 0.5 | 0.059 | 4.0 | 51.9 | 54.6 | 7.1 | 7.0 | 0.9 | 0.127 |
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