Research Article
Experiment and Analysis of Wedge Cutting Angle on Cutting Effect
Table 3
Blasting model experiment program.
| | Cutting mode | Specimen no. | Aperture (mm) | Row spacing (mm) | Hole distance (mm) | Hole bottom distance (mm) | Hole vertical depth (mm) | Hole length (mm) | Ultra-deep depth (mm) |
| | 65° wedge cutting | I-5, II-5 | 10 | 50 | 200 | 13 | 200 | 221 | 20 | | 69° wedge cutting | I-6, II-6 | 10 | 50 | 200 | 46 | 200 | 214 | 20 | | 73° wedge cutting | I-7, II-7 | 10 | 50 | 200 | 78 | 200 | 209 | 20 | | 77° wedge cutting | I-8, II-8 | 10 | 50 | 200 | 108 | 200 | 205 | 20 | | 81° wedge cutting | I-9, II-9 | 10 | 50 | 200 | 137 | 200 | 202 | 20 |
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