| 深孔爆破孔底空气间隔层长度的实验研究与工业试验 |
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| 引用本文： | 张志呈,罗尧东,熊文,吝曼卿.深孔爆破孔底空气间隔层长度的实验研究与工业试验[J].矿业研究与开发,2011(4):100-103. |
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| 作者姓名： | 张志呈 罗尧东 熊文 吝曼卿 |
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| 作者单位： | 西南科技大学;武汉建工股份有限公司; |
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| 摘 要： | 深孔爆破孔底空气间隔装药能有效的保护台阶底板岩层,减少大块率,消减根底,提高爆破率。孔底空气间隔长度是该技术的关键参数。对间隔长度的各类试验及国内矿山的工业试验进行了总结和分析,可为深孔爆破孔底空气间隔装药技术的孔底间隔长度设计提供参考。
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| 关 键 词： | 深孔爆破 孔底空气间隔装药 间隔层长度 |
Experimental Research and Industrial Experiments on the Lengthof Bottom Air-Space Layer for Long-hole Blasting |
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| ZHANG Zhicheng,LUO Yaodong,XIONG Wen,LIN ManqingCo.Ltd,Wuhan,Hubei ,China.Experimental Research and Industrial Experiments on the Lengthof Bottom Air-Space Layer for Long-hole Blasting[J].Mining Research and Development,2011(4):100-103. |
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| Authors: | ZHANG Zhicheng LUO Yaodong XIONG Wen LIN ManqingCoLtd Wuhan Hubei China |
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| Affiliation: | ZHANG Zhicheng1,LUO Yaodong1,XIONG Wen2,LIN Manqing1(1.Southwest University of Science and Technology,Mianyang,Sichuan 621010,China,2.Wuhan Construction Engineering(Group)Co.Ltd,Wuhan,Hubei 430023,China) |
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| Abstract: | Bottom air-space charging for long-hole blasting can effectively protect the floor rock of step from breakage,reduce boulder yield and rock toes,improve blasting efficiency.The length of air-space layer at the bottom of hole is a key parameter for bottom air-space charging structure.All kinds of laboratory experiment and industrial experiments carried out in the home and abroad mines about the length of bottom air-space layer are summarized and analyzed in this paper,this can provide reference for the deter... |
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| Keywords: | Long-hole blasting Bottom air-space charging Length of air-space layer |
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