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| Prevention and control techniques to large block in medium-length hole blasting of paigeite mine |
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| DOI：10.3969/j.issn.1671-4172.2016.06.013 |
| KeyWord:deep hole bench blasting in open pit; large block rate; blasting quality |
| Author | Institution |
| LI Jianhua |
首钢矿业公司，河北 唐山 |
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| Abstract: |
| Taking the medium-length hole blasting in paigeite mine of Shougang Mining Corporation for example, this paper discusses the locations and reasons for producing the large blocks, and put forward some controlling measures, for the open-pit mines have a certain reference significance. |
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