| 煤矿坚硬岩石巷道中深孔爆破技术应用研究 |
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| 引用本文： | 孟德军,何爱忠,朱昊,宗琦.煤矿坚硬岩石巷道中深孔爆破技术应用研究[J].工程爆破,2008,14(3). |
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| 作者姓名： | 孟德军 何爱忠 朱昊 宗琦 |
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| 作者单位： | 1. 淮北矿业集团岱河煤矿,安徽淮北,235001
2. 安徽理工大学土木建筑学院,安徽淮南,232001 |
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| 摘 要： | 岩巷中深孔爆破可减少循环转换过程中的各种辅助作业时间,提高单循环进尺。根据现场巷道断面和形状、岩石性质、低威力三级煤矿水胶炸药和施工条件,通过对炮孔深度、掏槽形式和掏槽参数、光面爆破参数、崩落爆破参数、装药结构、炸药单耗、起爆方式等技术问题分析研究,并在施工中不断优化完善,应用研究取得了良好的技术经济指标,平均炮孔利用率大于90%,巷道成形质量良好,周边孔痕率在40%～70%。
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| 关 键 词： | 岩石巷道 中深孔爆破 掏槽形式 光面爆破 |
APPLICATION & RESEARCH ON MEDIUM-DEEP-HOLE BLASTING TECHNOLOGY IN COAL MINE SOLID ROCK TUNNEL |
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| MENG De-jun,HE Ai-zhong,ZHU Hao,ZONG Qi.APPLICATION & RESEARCH ON MEDIUM-DEEP-HOLE BLASTING TECHNOLOGY IN COAL MINE SOLID ROCK TUNNEL[J].Engineering Blasting,2008,14(3). |
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| Authors: | MENG De-jun HE Ai-zhong ZHU Hao ZONG Qi |
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| Affiliation: | MENG De-jun1,HE Ai-zhong1,ZHU Hao1,ZONG Qi2 (1. Huaibei Mining Group Co. Daihe Coal Mine,Huaibei 235001,Anhui,China,2. School of Civil Engineering , Architecture,Anhui University of Science , Technology,Huainan 232001,China) |
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| Abstract: | Medium-deep-hole blasting technology can reduce assistant operation time of many kinds of loop function,and enhance the advancement footage of single-cycle. This paper,based on the section and shape of in site tunnel,rock property and construction condition,lower power coal-mine water-gel explosive,discussed the technical problems such as hole depth,cut patterns and parameters,smoothing blasting parameters,caved blasting parameters,charging structure,unit explosive consumption,detonation pattern and so on,a... |
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| Keywords: | Rock tunnel Medium-deep-hole blasting Cut pattern Smoothing blasting |
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