Research Article
Mechanical and Acoustic Emission Responses of Rock Fragmentation under Disc Cutter Penetration
Table 1
Physical and mechanical parameters of the granite and sandstone.
| Parameters | Granite | Sandstone |
| Uniaxial compressive strength (MPa) | 148.45 | 60.46 | Elastic modulus (GPa) | 37.22 | 13.55 | Poisson’s ratio | 0.26 | 0.29 | Tensile strength (MPa) | 6.68 | 2.36 | Density (g/cm³) | 2.64 | 2.25 |
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