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Design of Water Plugging during Grout Injection in Underwater Tunnel Construction

Wang Xiaofeng(China Petroleum Engineering Co.,LTD.Southwest Company,Chengdu,Sichuan,610017,China)  
With more and more tunnel crossing methods applied to gas and oil pipelines,water plugging during grout injection in underwater tunnel construction becomes a more and more important problem.Taking the cross under Yangtze River in West to East Gas Pipeline Project as an example,discussed are measures adapted to water plugging during grout injection in tunnel construction.
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