| 软弱围岩隧道大断面开挖周边孔爆破新技术 |
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| 引用本文： | 张松涛.软弱围岩隧道大断面开挖周边孔爆破新技术[J].科技情报开发与经济,2008,18(16):216-217. |
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| 作者姓名： | 张松涛 |
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| 作者单位： | 中铁十六局集团第五工程有限公司,云南,昆明,650000 |
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| 摘 要： | 分析了软弱围岩隧道采用大断面开挖的可行性，介绍了周边孔拱部光面爆破、边墙预裂爆破的新技术，为类似条件下的隧道开挖提供一些可行经验。
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| 关 键 词： | 软弱围岩隧道 大断面开挖 光面爆破 顸裂爆破 |
New Peripheral Hole Blasting Techniques for the Large-section Excavation of the Soft Wall-rock Tunnel |
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| ZHANG Song-tao.New Peripheral Hole Blasting Techniques for the Large-section Excavation of the Soft Wall-rock Tunnel[J].Sci-Tech Information Development & Economy,2008,18(16):216-217. |
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| Authors: | ZHANG Song-tao |
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| Institution: | ZHANG Song-tao |
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| Abstract: | This paper analyzes the feasibility of adopting the large-section excavation in soft wall rock tunnel, introduces the new techniques of the smooth blasting on the arch part of peripheral hole and the side-wall presplitting blasting, which provide some practicable experiences for the tunnel excavation under similar conditions. |
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| Keywords: | soft wall rock tunnel large-section excavation smooth blasting presplitting blasting |
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