5[3]Hudson J A. Atlas of rock engineering mechanisms underground excavation[J]. Int. J. Rock Mech. Sci., 1991, 28(6): 521～536
6[7]Tang C A. Numerical simulation of progressive rock failure and associated seismicity[J]. Int. J. Rock Mech. Min. Sci., 1997, 34(2):249～261
7JTGD70-2004公路隧道设计规范[S]．北京：人民交通出版社,2004．
8TURKMEN Sedat, OZGUZEL Nuri. Grouting a tunnel cave-in from the surface: a case study on Kurtkulagl - irrigation tunnel, Turkey[J]. Tunnelling and Underground Space Technology, 2003(18): 365 - 375
9ZHU W C, LIU J, TANG C A, ZHAO X D, BRADY B H. Simulation of progressive fracturing processes aro undunderground excavations under biaxial compression[J] Tunnelling and Underground Space Technology, 2005(20) 231 - 247.
10HSU S C, CHIANG S S, LAI J R. Failure mechanisms of tunnels in weak rock with interbedded structures[J]. Int J Rock Mech Min Sci, 2004, 41(3): 34.
9Yang Xiaoli, Huang Fu. Stability Analysis of Shallow Tunnels Subjected to Seepage with Strength Reduc.tion Theory [J]. Journal of Central South University of Technology (English Edition), 2009, 16 (6): 1001-1005.
