Research Article
Experimental Study on Vibration Reduction Technology of Hole-by-Hole Presplitting Blasting
Table 1
Rock physical and mechanical indexes.
| | Rock mass | Elasticity modulus (GPa) | Poisson ratio (μ) | Cohesion (MPa) | Internal friction angle (°) | Natural bulk density (kN.m-3) | Tensile strength (MPa) | Compressive strength (MPa) |
| | Limestone | 12.6 | 0.20 | 3.49 | 40.5 | 22.4 | 3.44 | 30.12 |
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