6S.C.Moiler,P.A.Vermeer.On numerical simulation of tunnel installation[J].Tunnelling and Underground Space Technology,2008,23.
7Addenbrooke T.I.,Potts D.M.,Puzrin A.M.The influence of prefailure soil stiffness on the numerical analysis of tunnel construction[J].Geotechnique,1997,47(3).
8R.B.J.Brinkgreve.Plaxis version 8 manual[M].A.A.Balkema,Rotterdam,2002.
9Karakus M.Appraising the methods accounting for 3D tunnelling effects in 2D plane strain FE analysis[J].Tunnelling and Underground Space Technology,2007,22.