Research Article
Effect of Water-Decked Blasting on Rock Fragmentation Energy
Table 3
Parameters used in the RHT model for rock.
| Parameters | Value |
| Reference density (g/cm3) | 2.75 | Porous density (g/cm3) | 2.31 | Porous sound speed (m/s) | 2920 | Bulk modulus, (GPa) | 35.3 | Shear modulus, (GPa) | 16.7 | Compressive strength, (MPa) | 35.0 | Tensile strength, | 0.100 | Shear strength, | 0.180 | Intact failure surface constant, | 1.600 | Intact failure surface exponent, | 0.610 | Tensile/compressive meridian ratio, | 6.805 × 10−1 | Brittle to ductile transition, | 1.050 × 10−2 | Elastic strength/ft | 0.700 | Elastic strength/fc | 0.530 | Compressive strain rate exponent, | 3.2 × 10−2 | Compressive strain rate exponent, | 3.6 × 10−2 | Damage constant, | 0.150 | Damage constant, | 1.000 |
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