TY - Journal of Yangtze River Scientific Research Institute A1 - ZHU Jia-hua, YUAN Hua, LI Ji-yang-fu, CHEN Wen T1 - Application of Advanced Semi-closed Double Pilot Step Method in Water-rich Tunnel with Large Section Y1 - 2020-11-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 64 EP - 69 VL - 37 IS - 11 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20200244 ER -