Research Article
Numerical Investigation on Crack Formation and Penetration Mechanism between Adjacent Blastholes
Table 3
Material parameters of rock.
| | Quality parameters | Unit | Value |
| | Density | kg·m−3 | 2.4E3 | | Intensity constant | | Pa | 4.8E7 | | A | — | 0.79 | | B | — | 1.6 | | C | — | 7E − 3 | | SFmax | — | 7 | | Shear modulus G | Pa | 1.486E10 | | N | — | 0.61 |
| | Damage constant | | D1 | — | 0.04 | | D2 | — | 1 | | EFmin | — | 0.01 |
| | Stress constant | | T | Pa | 4E6 | | Pa | 1.6E7 | | — | 1E − 3 | | Pa | 8E8 | | — | 0.1 | | K1 | Pa | 8.5E10 | | K2 | Pa | −1.71E11 | | K3 | Pa | 2.08E11 | | E | Pa | 3.57E10 |
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