Research Article
The Effect of Blast-Hole Arrangement, Delay Time, and Decoupling Charge on Rock Damage and Vibration Attenuation in Multihole Blasting
Table 4
Related parameters of the rock material JHC.
| | Fundamental parameters | Strength parameters | Damage parameters | Pressure parameters |
| | Ρ (kg/m3) | 2650 | A | 0.1 | D1 | 0.0426 | pc (MPa)
uc | 27.5
0.00188 | | fc (MPa) | 82.39 | B | 2.298 | D2 | 1 | pl (MPa)
ul | 800 0.1 | | G (GPa) | 11.92 | N | 1.0344 | EFmin | 0.01 | k1 (GPa)
k2 (GPa) | 85 -171 | | T (MPa) | 5.63 | CSFmax | 0.007
7 | | | k3 (GPa) | 208 |
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