Research Article
Study and Application of Rock Breaking Mechanism of Concentrated Water Hydraulic Smooth Blasting in Broken Sand-Stone Geological Conditions
Table 3
Simulation charge scheme.
| Group | Charge structure | Initiation site | The direction of energy sink |
| 1 | Water bag + tube + water bag + gun mud | Bottom hole | Identity | 2 | Water bag + tube + water bag + air | Bottom hole | Identity | 3 | Air + concentrator + air + gun mud | Bottom hole | Identity |
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