| 改进钻爆参数 提高隧道围岩开挖质量 |
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| 引用本文： | 王振端,刘建军.改进钻爆参数 提高隧道围岩开挖质量[J].内蒙古公路与运输,2011(2):11-13. |
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| 作者姓名： | 王振端 刘建军 |
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| 作者单位： | 1. 福建省第一公路工程公司,福建,晋江,362200
2. 内蒙古公路工程局 |
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| 摘 要： | 通过工程实际,结合相类似工程,介绍了在V、IV软弱围岩隧道的新奥法开挖中,采用精确钻眼,优化爆破技术,提高了隧道的开挖质量。
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| 关 键 词： | 钻孔精度 光面爆破 预裂爆破 软弱围岩 |
Improving excavation quality of surrounding rock tunnel bymodifying parameters |
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| WANG Zhen-duan,LIU Jian-jun.Improving excavation quality of surrounding rock tunnel bymodifying parameters[J].Highways & Transportation in Inner Mongolia,2011(2):11-13. |
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| Authors: | WANG Zhen-duan LIU Jian-jun |
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| Institution: | WANG Zhen-duan LIU Jian-jun |
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| Abstract: | Combining similar projects,the paper introduces optimizing blasting technology using accurate drilling to improve excavation quality in V and VI weak surrounding rock tunnel excavation by means of NATM based on engineering practice. |
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| Keywords: | drilling precision smoothwall blasting presplitting blasting weak surrounding rock |
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