TY - Journal of Yangtze River Scientific Research Institute A1 - WU Ai-qing, JIANG Yu-zhou, SHI An-chi, LI Lin, WANG Xian-biao, XIAO Guo-qiang, HU Wei T1 - Classification Method for Engineering Rock Mass Containing Primary Implicit Joint Y1 - 2018-12-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 74 EP - 82 VL - 35 IS - 12 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20180164 ER -