Research Article
Back Analysis and Calculation of Dynamic Mechanical Parameters of Rock Mass with Measured Blasting Vibration Signals
Table 4
Parameters of blasting design of the site experiment.
| borehole No. | Diameter of borehole /mm | Depth of borehole /cm | Diameter of charge/mm | Length of charge/cm | Stemming /cm | Charge per borehole/kg |
| 1 | 76 | 800 | 50 | 600 | 200 | 12.0 | 2 | 76 | 800 | 50 | 600 | 200 | 12.0 | 3 | 76 | 600 | 50 | 420 | 180 | 8.4 | 4 | 76 | 600 | 50 | 420 | 180 | 8.4 | 5 | 76 | 450 | 50 | 270 | 180 | 5.4 | 6 | 76 | 450 | 50 | 270 | 180 | 5.4 |
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