Research Article
Study on the Interaction of Collinear Cracks and Wing Cracks and Cracking Behavior of Rock under Uniaxial Compression
Table 1
Material properties of the specimens.
| | Type | Crack inclination angle (°) | Crack length (mm) | Bridge ligament (mm) | UCS (MPa) | Poisson’s ratio | Density (g/cm3) | Elastic modulus (GPa) |
| | Specimens with collinear cracks | 25° | 20 | 40 | 15.2 | 0.23 | 2.11 | 2.45 | | 45° | 20 | 40 | 19.8 | | 75° | 20 | 40 | 20.7 | | Intact specimen | — | — | — | 24.8 |
|
|
