Research Article
Controlling Mechanism of Rock Burst by CO2 Fracturing Blasting Based on Rock Burst System
Table 3
Experiment schemes design.
| Schemes | Specifications of test devices | Specifications of crackers | Sealed or not sealed | Number of sensors | Strength of shearing piece (MPa) | Spacing between hole wall and energy release head (mm) |
| No. 1 | CSZZ-82/2500 | ZLQ-38/300 | Sealed | 4 | 300 | 21 | No. 2 | CSZZ-82/2500 | ZLQ-38/300 | Sealed | 2 | 300 | 21 | No. 3 | CSZZ-82/2500 | ZLQ-38/300 | No | 2 | 300 | 21 | No. 4 | CSZZ-82/2500 | ZLQ-38/300 | Sealed | 2 | 200 | 21 | No. 5 | CSZZ-68/2500 | ZLQ-38/300 | Sealed | 2 | 200 | 17 | No. 6 | CSZZ-48/2500 | ZLQ-38/300 | Sealed | 2 | 200 | 10 |
|
|