| 超前劈裂帷幕注浆在隧道涌水涌碴处理中的应用 |
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| 引用本文： | 孙东锋,姜万录.超前劈裂帷幕注浆在隧道涌水涌碴处理中的应用[J].吉林建筑工程学院学报,2011,28(6):25-27. |
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| 作者姓名： | 孙东锋 姜万录 |
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| 作者单位： | 1. 吉林省宇辉地方铁路有限公司,长春,130033
2. 吉林省公路工程监理有限责任公司,长春,130022 |
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| 摘 要： | 介绍吉林援建垭口山隧道施工过程中涌水涌碴形成原因,采用超前劈裂帷幕注浆治理涌水涌碴方案的原理、设计参数及在定位、钻孔、注浆等施工工艺和质量控制方面的具体要求,列举了施工过程中出现塌孔、返水量较大、注浆量大且泵压不上升及漏水点补救等不同情况的处理方法,总结了超前劈裂围幕注浆的施工条件、关键工艺及施工后的效果.
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| 关 键 词： | 超前劈裂帷幕注浆 隧道 涌水 |
Curtain Grouting ahead of the Tunnel Splitting in Gushing Ballast Treatment |
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| SUN Dong-feng,JIANG Wan-lu.Curtain Grouting ahead of the Tunnel Splitting in Gushing Ballast Treatment[J].Journal of Jilin Architectural and Civil Engineering,2011,28(6):25-27. |
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| Authors: | SUN Dong-feng JIANG Wan-lu |
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| Affiliation: | SUN Dong-feng1,JIANG Wan-lu2 (1:Jilin Province Yuhui Local Railway Co.,Ltd.,Changchun,China 130033,2:Jilin Province Highway Supervision of Engineering Limited Liability Company,China 130022) |
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| Abstract: | This paper makes a brief presentation on the reasons why ballast has been formed during the process of reconstruction of Yakou mountain tunnel by Jilin province.It introduces the principles of dealing with ballast by split curtain grouting beforehand,and introduces the techniques and the requirements for quality control concerning the design parameters,positioning,drilling and grouting.A list of solutions has been made to dealing with such problems as hole collapse,a large amount of return water,a large qua... |
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| Keywords: | curtain grouting ahead of split tunnel gushing water |
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