Research Article
Study and Application of Rock Breaking Mechanism of Concentrated Water Hydraulic Smooth Blasting in Broken Sand-Stone Geological Conditions
Table 2
Estimating table of the material required for joint-hole plugging test.
| | Serial number | Name | Specification and type | Quantity | Remark |
| | 1 | Nonelectric detonator | — | 6 | Ensure that all paragraphs are the same | | 2 | Primacord | — | 50 | — | | 3 | Blaster | — | 1 | — | | 4 | V-shaped tube | 28.35, L 0.6 m | 6 | Filling 2 # rock emulsion explosive | | 5 | Emulsified explosive | 32 mm-300 g | 2 | 2 # rock emulsion explosive | | 6 | Water bag | L 0.2 m | 12 | — | | 7 | Stemming in drill hole | — | 6 | — |
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