5Chert Shou Gen, Chen Liang, Hu Chi, Tan Xinrong. A study on hole- cutting in deep tunneling [ C ]. Proceedings of 10th International Conference of Discontinous Deformation. USA: Hawaii, 2011:295-300.
6S.G. CHEN, Y.B. ZI-1AO and H. ZHANG. Analysis of Large Rock Deformation Under High In Situ Stress [ C ]//gth International Conference on Analysis of Discontinuous Deformation " New Developments And Applications". Singapore : 2009:367 - 372.
