| 预裂爆破在大直径深孔采矿中的应用 |
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| 引用本文： | 李周经,孙再东.预裂爆破在大直径深孔采矿中的应用[J].矿业研究与开发,1996(Z1). |
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| 作者姓名： | 李周经 孙再东 |
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| 作者单位： | 安庆铜矿!安徽246131(李周经)，长沙矿山研究院!湖南410012(孙再东) |
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| 摘 要： | 本文针对大直径深孔采矿炮孔深、孔径大的特点,和炮孔集中凿岩分段崩矿的回采工艺,试就大孔径预裂爆破在地下大直径深孔采矿中应用的参数选取及其分段预裂爆破工艺进行探讨.
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| 关 键 词： | 大孔径预裂爆破 矿柱片帮 超爆 大直径深孔采矿 |
AN APPLICATION OF PRESPLITTING BLASTING IN LARGE-DIAMETER LONGIIOLE MINING |
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| Li Zhoujing Sun Zaidong.AN APPLICATION OF PRESPLITTING BLASTING IN LARGE-DIAMETER LONGIIOLE MINING[J].Mining Research and Development,1996(Z1). |
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| Authors: | Li Zhoujing Sun Zaidong |
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| Affiliation: | Li Zhoujing Sun Zaidong(Anqing Copper Mine) (Changsha Institute of Mining Research) |
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| Abstract: | Aiming at the characteristics of long blastholes and large blasthole diameter as well as the extracting technology of blasthole drilling once forall and sublevel caving in large-diameter longhole mining, the authors make an approach to the parameter selection when the large-diameter presplitting blasting was used in the underground Large-diameter longhole mining, and to the technology of sublevel pre-splitting blasting. |
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| Keywords: | Large-diameter hole presplitting blasting Pillar scaling Overblasting Large-diameter longhole mining |
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