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| Study and Application of Curtain Grouting Equipments for Construction of Single Line Tunnel |
| WANG Xiao-jing |
| China Railway 15th Construction Bureau Co．Ltd，Luoyang，Hehan 471013，China |
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Abstract Research purposes: cientific selection of grouting equipments is one of the key points for getting the perfect grouting effect and improving the grouting efficiency．Based on the engineering section size of single line tunnel and the requirements of curtain grouting，the research is done on how to select the grouting equipment that can meet the requirements of grouting materials，grouting technique，environment control and construction schedule，and the analyses of the issues for caution in equipment selection are made for seeking a set of curtain grouting equipments to provide the reference to the similar works．
Research conclusions: The functions and efficiency of the selected equipments have been verified through the application of the selected equipments in curtain grouting for construction of one single line tunnel．The result shows the grouting requirements Can be well met by adopting the imported muhiple—function drilling machine along with China— Made grouting machines．
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Received: 03 March 2009
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2009, Vol. 26 
