| 大管棚注浆预支护通过软岩隧道塌方段 |
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| 作者单位： | 中国矿业大学(北京)岩土工程研究所 北京100083 |
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| 摘 要： | 以铁营隧道塌方处理为例,介绍了大管棚注浆结合小导管注浆对塌方段岩体进行预加固,并顺利通过软岩隧道塌方段的施工方法。
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| 关 键 词： | 塌方 大管棚 注浆 软岩隧道 |
Passing Through Tunnel Collapse Area with Large Scale Piperoof Pre-support Technology |
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| Authors: | Sun Zhifeng |
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| Abstract: | Taking Tieying tunnel as an example, this paper introduces the pre-support technology of large-scale piperoof with small pipe grouting, and construction method passing through tunnel collapse area with this technology. |
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| Keywords: | collapse large scale piperoof grouting soft rock tunnel |
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