TY - Journal of Yangtze River Scientific Research Institute A1 - ZHANG Jia-fa, CUI Hao-dong, WU Qing-hua, LI Shao-long, WANG Jin-long T1 - Classification of Seepage Systems and Control Measures of Seepage Field in Expansive Soil Slopes by the Canal of the First-stage Project of Middle Route South-to-North Water Diversion Y1 - 2016-05-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 139 EP - 144 VL - 33 IS - 5 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20150627 ER -