| 公路黄土隧道洞口段施工技术要点 |
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| 引用本文： | 李晋文.公路黄土隧道洞口段施工技术要点[J].山西交通科技,2012(3):37-38. |
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| 作者姓名： | 李晋文 |
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| 作者单位： | 山西省交通科学研究院,山西太原030006 |
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| 摘 要： | 由于黄土隧道自身稳定性差,在开挖过程中,特别是刚进洞时的洞口（浅埋）段,容易出现不稳定的问题,所以需认清洞口段常见的灾害类型及成因,加强施工中各个环节的控制,以保证施工的正常、安全进行。
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| 关 键 词： | 黄土 隧道 洞口段 技术 要点 |
The Construction Technique of Portal Section for Highway Loess Tunnel |
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| LI Jin-wen.The Construction Technique of Portal Section for Highway Loess Tunnel[J].Shanxi Science & Technology of Communications,2012(3):37-38. |
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| Authors: | LI Jin-wen |
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| Institution: | LI Jin-wen (Shanxi Transportation Research Institute,Taiyuan,Shanxi 030006,China) |
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| Abstract: | For the poor stability of the loess tunnel,it is easy to appear the unstable problem while excavation process,especially at the beginning of excavating a hole. The paper mainly discussed how to recognize the common disease type and cause at portal section, strengthen the construction control of various links to ensure the regular and safety process. |
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| Keywords: | loess tunnel portal section technique main point |
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