| 硼铁矿中深孔爆破大块防治技术 |
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| 引用本文： | 李建华. 硼铁矿中深孔爆破大块防治技术[J]. 有色金属(矿山部分), 2016, 68(6): 55-57 |
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| 作者姓名： | 李建华 |
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| 作者单位： | 首钢矿业公司，河北 唐山 064404 |
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| 摘 要： | 以首钢硼铁矿中深孔爆破为例，论述了大块产生的部位和原因，并提出了一些防治措施，对露天矿山中深孔爆破控制大块的产生具有一定的借鉴意义。
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| 关 键 词： | 露天深孔台阶爆破；大块率；爆破质量 |
Prevention and control techniques to large block in medium-length hole blasting of paigeite mine |
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| LI Jianhua. Prevention and control techniques to large block in medium-length hole blasting of paigeite mine[J]. , 2016, 68(6): 55-57 |
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| Authors: | LI Jianhua |
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| Affiliation: | Shougang Mining Corporation, Tangshan Hebei 064404, China |
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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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| Keywords: | deep hole bench blasting in open pit large block rate blasting quality |
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