Research Article

Effect of Water-Decked Blasting on Rock Fragmentation Energy

Table 3

Parameters used in the RHT model for rock.

ParametersValue

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/ft0.700
Elastic strength/fc0.530
Compressive strain rate exponent, 3.2 × 10−2
Compressive strain rate exponent, 3.6 × 10−2
Damage constant, 0.150
Damage constant, 1.000