TY - Journal of Yangtze River Scientific Research Institute A1 - CHENG Hong-zhan,CHEN Jian,HU Zhi-feng,HUANG Jue-hao T1 - Probability Analysis of Face Stability in Shield TunnellingBased on Stability Ratio Y1 - 2018-01-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 133 EP - 136 VL - 35 IS - 1 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20161002 ER -