TY - Journal of Yangtze River Scientific Research Institute A1 - BIAN Jia-min T1 - Direct Shear Test on Strength of Weak Expansive Soil under Dry-wet Cycles Y1 - 2018-06-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 81 EP - 85,91 VL - 35 IS - 6 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20160801 ER -