Research Article
Effect of the Location of the Detonation Initiation Point for Bench Blasting
Table 7
Rock mass physical character of the experiment zone in Baihetan Station.
| | Lithology | Nature density (g/cm3) | Partial density (g/cm3) | Porosity (%) | Tensile strength (MPa) | Compressive strength (MPa) | Elasticity modulus (GPa) | Poisson’s ratio |
| | Basalt | 2.87 | 2.93 | 2.01 | 4~8 | 87~146 | 55 | 0.21 | | Breccias lava | 2.66 | 2.85 | 7.15 | 3~8 | 86~139 | 30 | 0.21 |
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