| 控制爆破技术在连拱隧道掘进应用的研究 |
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| 引用本文： | 黄龙华. 控制爆破技术在连拱隧道掘进应用的研究[J]. 工程爆破, 2010, 16(2): 35-39 |
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| 作者姓名： | 黄龙华 |
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| 作者单位： | 南昌陆军学院,南昌,330103;中国人民解放军理工大学工程兵工程学院,南京,210007 |
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| 摘 要： | 九江至瑞昌高速公路A2标新合连拱隧道,穿越地层复杂,施工要求高。为保证工期和施工质量、安全,针对岩体特征及浅埋偏压段的实际,进行合理的超前支护;采用隧道光面爆破技术,经现场试验,对连拱隧道开挖爆破参数、装药结构和起爆网路进行优化设计;对钻爆、施工管理,提出了合理的质量要求和安全措施,实现了改善爆破效果、降低施工成本的目的。对类似隧道开挖施工具有一定的参考价值。
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| 关 键 词： | 连拱隧道 光面爆破 隧道开挖 控制爆破 |
APPLICATION OF CONTROLLED BLASTING TECHNOLOGY FOR DRIVING OF DOUBLE ARCH TUNNEL |
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| HUANG Long-hua. APPLICATION OF CONTROLLED BLASTING TECHNOLOGY FOR DRIVING OF DOUBLE ARCH TUNNEL[J]. Engineering Blasting, 2010, 16(2): 35-39 |
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| Authors: | HUANG Long-hua |
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| Affiliation: | HUANG Long-hua1,2 (1.Army College of Nanchang,Nanchang 330103,China,2.EIEC,PLA University of Science and Technology,Nanjing 210007,China) |
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| Abstract: | Passing through very complicated geological stratum,the double arch tunnel of A2 Section of Jiu-Rui expressway required high quality construction.For the consideration of project schedule,construction quality and safety,reasonable advanced support and smooth blasting technique were adopted to meet the physical condition of rock mass characteristics and the shallow burying pressed section.After tests in situ,the tunnel excavation parameters,explosive charging structure and ignition network were optimized,whi... |
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| Keywords: | Double arch tunnel Smooth blasting Tunnel excavation Controlled blasting |
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