| 地铁区间隧道全风化花岗岩注浆预加固技术研究 |
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| 引用本文： | 刘双武,孙磊.地铁区间隧道全风化花岗岩注浆预加固技术研究[J].中州煤炭,2018,0(5):180-184. |
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| 作者姓名： | 刘双武 孙磊 |
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| 作者单位： | （1.中铁七局集团第三工程有限公司，陕西 西安 710032； 2.河海大学 土木与交通学院，江苏 南京 210098） |
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| 摘 要： | 以深圳地铁11号线前海湾站—宝安站区间全风化花岗岩的注浆加固为例，详细介绍了钻孔插管超前注浆、洞内后退式超前注浆以及地面袖阀管超前注浆3种加固技术方案。从注浆材料、注浆孔的布置以及注浆加固技术施工过程详细介绍了3种注浆加固技术，总结了注浆加固技术注浆效果检查实验方法，为同类全风化花岗岩地层的注浆加固技术提供参考。
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| 关 键 词： | 深圳地铁 全风化花岗岩 注浆预加固 钻孔插管超前注浆 洞内后退式超前注浆 地面袖阀管超前注浆 |
Study on pre grouting reinforcement technology of fully weathered granite in subway tunnel |
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| Liu Shuangwu,Sun Lei. Study on pre grouting reinforcement technology of fully weathered granite in subway tunnel[J].Zhongzhou Coal,2018,0(5):180-184. |
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| Authors: | Liu Shuangwu Sun Lei |
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| Affiliation: | （1.The Third Engineering Co.，Ltd.of China Railway Seventh Group，Xi′an 710032，China；2.College of Civil and Transportation，Hohai University，Nanjing 210098，China） |
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| Abstract: | This paper based on Grouting in Shenzhen Metro Line 11 Qianhaiwan Railway Station—Baoan Station before the interval of the full weathered granite reinforcement，detailed introduce drilling grouting in advance，the back type intubation and ground pre grouting sleeve valve pipe grouting reinforcement technology.From grouting material，grouting hole layout and grouting reinforcement technology construction process，three grouting reinforcement technologies are introduced in detail.The grouting reinforcement technology grouting effect inspection experimental method is summarized，which provides reference for grouting reinforcement technology of similar fully decomposed granite strata. |
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| Keywords: | ,Shenzhen Metro, fully weathered granite, grouting pre reinforcement, pre grouting for drilling intubation, back-back grouting in the hole, advance grouting for ground sleeve valve tube |
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