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| SURFACE DRILLING CURTAIN GROUTING LEAKAGE STOP?PAGE TECHNOLOGY IN OPERATIONAL TUNNEL |
| Liu Jihong |
| The Science Technology Research Institute of Guangzhou Railway (Group) Corp. |
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Abstract This paper introduces with particular engineering example the surface drilling cur?tain grouting leakage stoppage technology to treat water leakage in busy electrified twin- track tunnel without influence of traffic. It is proved by practice that the technology has great application prospect in wate亡 leakage of shallow tunnels.
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Received: 18 April 1997
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1997, Vol. 14 
