Research Article
Blast-Induced Damage on Millisecond Blasting Model Test with Multicircle Vertical Blastholes
| Model number | CM-1 | CM-2 | CM-3 | CM-4 |
| Detonation delay | 25 ms | 50 ms | 25 ms | 50 ms | First circle | Electric detonator segment I | Electric detonator segment I | Electric detonator segment I | Electric detonator segment I | Second circle | Electric detonator segment I | Electric detonator segment I | Electric detonator segment II | Electric detonator segment III | Third circle | Electric detonator segment II | Electric detonator segment V | Electric detonator segment III | Electric detonator segment V |
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