TY - Journal of Yangtze River Scientific Research Institute A1 - QI Yu, DENG Hua-feng, LI Guang-ye, XIONG Yu, LI Tao T1 - Characterizing 3D Roughness of Rock Mass Structural Surface in Consideration of Hierarchical Structure Y1 - 2022-01-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 134 EP - 138 VL - 39 IS - 1 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20200899 ER -