| 深埋特长隧道岩溶高压涌水灌浆封堵技术研究与实践 |
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| 引用本文： | 何桥,朱代强,郑克勋,朱建耘,黄勇. 深埋特长隧道岩溶高压涌水灌浆封堵技术研究与实践[J]. 中国岩溶, 2019, 38(4): 488-495. DOI: 10.11932/karst20190403 |
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| 作者姓名： | 何桥 朱代强 郑克勋 朱建耘 黄勇 |
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| 作者单位： | 中国水电顾问集团贵阳勘测设计研究院岩土工程有限公司，贵阳 550081/中国电建集团贵阳勘测设计研究院有限公司，贵阳 550081 |
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| 基金项目： | 贵阳院科学技术发展基金项目（ZL2018-21） |
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| 摘 要： | 以贵州省德江至务川高速公路德江特长分离式隧道岩溶高压涌水为例，探讨了隧道高压涌水封堵的钻孔设备、灌浆材料选择和封堵施工工艺。对双洞连通型、单洞独立揭露型、单洞独立未揭露型高压涌水采取引排泄压反堵法，止浆墙结合轴向、径向封堵法，超前预灌浆法等方法进行处理，成功处治了德江隧道多个断面高压岩溶涌水问题，使隧道掘进工作得以恢复，保障了工程安全，缩短了建设工期，取得了良好的经济和社会效益。
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| 关 键 词： | 岩溶隧道 高压涌水 堵水灌浆 |
Application of grouting sealing technology on karst high-pressure water inrush in a deep-buried extra-long tunnel |
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| HE Qiao,ZHU Daiqiang,ZHENG Kexun,ZHU Jianyun and HUANG Yong. Application of grouting sealing technology on karst high-pressure water inrush in a deep-buried extra-long tunnel[J]. Carsologica Sinica, 2019, 38(4): 488-495. DOI: 10.11932/karst20190403 |
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| Authors: | HE Qiao ZHU Daiqiang ZHENG Kexun ZHU Jianyun HUANG Yong |
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| Affiliation: | Hydrochina Guiyang Engineering Corporation Geotechnical Engineering Limited., Guiyang，Guizhou 550081,China/Powerchina Guiyang Engineering Corporation Limited，Guiyang,Guizhou 550081，China |
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| Abstract: | This paper presents the application of the grouting sealing technology on karst high-pressure water inrush in a deep-buried extra-long tunnel of the highway from Dejiang to Wuchuan in Guizhou Province. Firstly, some relevant issues are addressed such as the drilling equipment, grouting material selection and implementation of this technology. For different types of high-pressure water inrush, e.g. two-hole connected, single-hole independently exposed, and single-hole independent unexposed, different methods such as drainage pressure back-blocking, grouting stopping wall combined with axial and radial blocking, and advanced pre-grouting are adopted respectively. Consequently, the problem of high-pressure karst water inrush at multiple sections of the Dejiang tunnel has been successfully solved, so that the tunneling work can be restored, the safety of the project is guaranteed, and the construction period is shortened, which yields good economic and social benefits. |
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| Keywords: | karst tunnel high-pressure water gushing water plugging grouting |
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