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《Water Saving Irrigation》 2006-06
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Study on the Influence of Water Quality on Anti-seepage Effect of Geosynthetic Clay Liners

ZHOU Chun-sheng~1,CHAI Jian-hua~2,SHI Hai-bin~1,YU Jian~2,ZHAO Pei-qing~2(1.College of water Conservancy and Civil Engineering,Inner Mongolia Agriculture University,Huhhot 010018,China;2.Water Conservancy Research Institute of Inner Mongolia,Huhhot 010020,China)  
Aiming at the existing problems of canal anti-seepage in the northwest draught cold saline regions,this paper studied the swelling performance and anti-seepage effect of GCL(geosynthetic clay liners) which is preparing to be introduced to use.Choosing three types of GCL products,this paper analyzed the influence of different concentrations and ion solution on the anti-seepage effects of GCL through indoors experiment.The result indicated that the solution concentrations had greater influence on the swelling performance of GCL,and the swelling quantity would reduce obviously when the mineralization degree was more than 5 g/L.Ion and concentration had the smallest influence on the anti-seepage performance of the Korea 1st product,which had two-layer protective polypropylene membrane.Besides the composition and content of the GCL, the structure of two-layer protective polypropylene membrane had biggish influence on the anti-seepage effect.
【Fund】: 内蒙古水利厅重点项目资助
【CateGory Index】: TV441
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