8Eskesen S. D. , Tengborg P. , Kampraann J. , et al. Guidelines for tunnelling risk management: International Tunneling Association, Working Group No. 2 [ J ]. Tunneling and Underground Space tech- nology,2004,19(3) :217 -237.
9R STUZK. Risk and decision analysis for large underground pro- jects, as applied to the Stockholm ring road tunnels[ J]. Tunneling and underground space technology, 1996,11 (2) : 157 - 164.
