| 三导坑先墙后拱法在隧道洞身开挖施工中的应用 |
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| 引用本文： | 贺先访.三导坑先墙后拱法在隧道洞身开挖施工中的应用[J].交通标准化,2012(12):74-76. |
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| 作者姓名： | 贺先访 |
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| 作者单位： | 贵州省公路工程集团有限公司,贵州贵阳,550008 |
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| 摘 要： | 以某整体式隧道洞身开挖的施工工艺为例,总结整体式隧道洞身开挖的钻爆设计和钻爆施工工艺,并提出隧道洞身开挖过程中的注意事项,以期为同类工程提供参考.
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| 关 键 词： | 隧道施工 洞身开挖 三导坑先墙后拱法 钻爆技术 |
Application of First Wall Then Arch Method of Three Heading Construction in Tunnel Hole Body Excavation |
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| HE Xian-fang.Application of First Wall Then Arch Method of Three Heading Construction in Tunnel Hole Body Excavation[J].Communications Standardization,2012(12):74-76. |
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| Authors: | HE Xian-fang |
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| Institution: | HE Xian-fang (Guizhou Highway Engineering Group Co., Ltd., Guiyang 550008, China) |
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| Abstract: | Taking the construction technology of hole body excavation of one integral tunnel as an example, this paper summarizes the design and construction process of drilling and blasting, and puts forward points for at- tention during excavation, which can provide reference for similar engineering projects. |
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| Keywords: | tunnel construction hole body excavation first wall then arch method of three heading con-struction drilling and blasting technology |
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