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| TESTS ON HOLE-BOTTOM PRIMING IN HUJIAYU COPPER MINE |
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| DOI： |
| KeyWord:Hole-bottom priming,Blasting mechanism,Blasting test,Secondary blasting |
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| Hits: 2017 |
| Download times: 15 |
| Abstract: |
| The difference between action mechanism of hole-bottom priming and hole-mouth priming was stated.The field tests for hole-bottom priming were done.The results show that the blasting effect is excellent and the cost of secondary blasting is greatly reduced when using hole-bottom priming. |
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