Research Article
A Preliminary Study on the Design Method for Large-Diameter Deep-Hole Presplit Blasting and Its Vibration-Isolation Effect
Table 3
Presplit blasting parameters.
| | Parameter | Unit | Value |
| | d | mm | 310 | | β | ∘ | 65 | | Q | kg | Theoretical value | 149.5 | | Empirical value | 150.1 | | S | m | Theoretical value | 4.0 | | Empirical value | 3.4 | | W | m | Theoretical value | 3.9 | | Empirical value | 4.0 |
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