Research Article
Vibration Signal Analysis of Water Seal Blasting Based on Wavelet Threshold Denoising and HHT Transformation
Table 6
Blasting effect of the four charging structures.
| | Charge structure | Blasting volume (m3) | Unit explosive consumption (kg/m3) | Blast-holes utilisation rate (%) | Rock fragmentation (cm) |
| | Conventional charge structure | 237 | 0.91 | 89% | 30 | | Water interval charge at the orifice | 237 | 0.83 | 93% | 36 | | Water interval charge at both ends | 237 | 0.81 | 95% | 25 | | Water interval charge at the hole bottom | 237 | 0.86 | 90% | 30 |
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