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三台阶七步法在大断面浅埋偏压软弱围岩隧道中的应用
田佳,刘军,王改鹏
Application of Threebench Sevenstep Excavation Method in Tunnels  with Large Crosssection, Shallow Cover and Asymmetricallyloaded  Soft and Weak Surrounding Rocks
TIAN Jia, LIU Jun, WANG Gaipeng
隧道建设 . 2012, (增刊1): 85 -89 .  DOI: 10.3973/j.issn.1672-741X.2012.z1.018