Research Article
Theoretical Study on Radial Distribution Laws of Rock Mass Damage Factors under Decoupled Charge Blasting
Table 2
Blasting parameters in different applied cases.
| | Cases | Borehole diameter (mm) | Borehole depth (cm) | Charge length (cm) | Stemming length (cm) | | (g/cm3) | (m/s) | |
| | Theoretical calculation | 42 | — | — | — | 1.31 and 1.68 | 1.0 | 3200 | 1.43 | | Model experiment | 40 | 30 | 2 and 5 | 20 | 1.25 and 2.0 | 1.0 | 3200 | 1.55 | | Model experiment [24] | — | 10 | 3 | 5 | 2.0 | — | — | — |
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