7Karakus M, Fowell R J. An insight into the new Austrian tunneling method [ C ]. Sivas: ROCKMEC'2004 -VIIth Regional Rock Mechanics Symposium, 2004.
8Seidenful3 D T. Collapses in tunneling [ D ]. Germany : Foundation Engineering and Tunneling, Stuttgart, 2006.
9Faber M H, Stewart M G. Risk assessment for civil engineering facilities :critical overview and discussion [J].Reliability Engineering & System Safety, 2003, 80 : 173 - 184.
10Einstein H H. Risk and risk analysis in rock engineering [J]. Tunneling and Underground Space Technology, 1996,11 (2) : 141 - 155.