TY - Journal of Yangtze River Scientific Research Institute A1 - ZHANG Bo T1 - Surrounding Rock Classification Method for Tunnel Construction Based on Entropy Weight Method Y1 - 2022-04-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 122 EP - 127 VL - 39 IS - 4 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20201326 ER -