| 小导管注浆技术在浅埋暗挖法施工中的探索与应用 |
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| 引用本文： | 裴巧玲,薛鑫.小导管注浆技术在浅埋暗挖法施工中的探索与应用[J].长春工程学院学报(自然科学版),2010,11(1):23-25,32. |
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| 作者姓名： | 裴巧玲 薛鑫 |
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| 作者单位： | 陕西铁路工程职业技术学院,渭南,714000;西部超导材料科技有限公司,建设指挥部,西安,710000 |
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| 摘 要： | 以北京地铁10号线奥支起点~熊猫环岛站区间过地下通道为研究对象,对下穿既有地下通道地层加固的方法进行研究。结合区间隧道采用的浅埋暗挖施工技术,介绍了小导管注浆技术的施工工艺。应用实践表明,小导管注浆加固地层的方法可以提高围岩的自稳能力、降低地层渗水、控制地表下沉,保障了地下通道和地下管线在隧道施工过程中的安全,是城市地铁浅埋暗挖法施工中一种有效的辅助施工工法。
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| 关 键 词： | 城市地铁 浅埋暗挖法 小导管注浆 地层加固 |
The exploration and application of technology of pre-grouting with small ducts in urban shallow-cover and close-cut tunnel |
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| PEI Qiao-ling,etc..The exploration and application of technology of pre-grouting with small ducts in urban shallow-cover and close-cut tunnel[J].Journal of Changchun Institute of Technology(Natural Science Edition),2010,11(1):23-25,32. |
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| Authors: | PEI Qiao-ling etc |
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| Institution: | Shanxi Institute of Railway EngineeringTechnology;Weinan 714000;China |
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| Abstract: | The background of this paper is Line 10 Beijing Austrian branch stations around the island range from Panda station which is a new-built subway station crossing through the bottom of the underground passage.The technological construction techniques of grouting reinforcement by small duct are introduced on the base of its construction in the shallow-cover and close-cut subway tunnel located in the starting point of Olympic branch line-Panda zone in Beijing.The results show that there are some strong points f... |
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| Keywords: | subway pre-grouting with small duct shallow-cover and close-cut strata reinforcement |
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