Research Article
Theoretical Calculation and Experimental Analysis on Initial Shock Pressure of Borehole Wall under Axial Decoupled Charge
Table 9
Comparison of blasting vibration vector synthesis velocity.
| Distance from explosive source(cm) | 10 | 20 | 40 | 80 |
| Vector synthesis velocity of blasting vibration in model I(cm/s) | 20.1759 | 9.3194 | 6.0529 | 3.4562 |
| Vector synthesis velocity of blasting vibration in model II(cm/s) | 17.3309 | 8.0813 | 5.1540 | 2.9053 |
| Relative decreasing amplitude ratio (%) | 14.10 | 15.32 | 14.85 | 15.94 |
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