Research Article
Research on Optimization of Large Flow Hydraulic Punching Process in Zhaozhuang Mine
Table 3
Test parameters in the first punching area.
| Borehole number | Quality of discharge (t) | Jet pressure (MPa) | Jet flow (L/min) |
| 10-1# | 5 | 15 | 301 | 11-1# | 4.6 | 16 | 311 | 12-1# | 4.7 | 16 | 311 | 13-1# | 6 | 17 | 320 | 14-1# | 5.5 | 15 | 301 | 15-1# | 6.5 | 17 | 320 |
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