6Nunes M A, Meguid M A. A study on the effects of o- verlying soil strata on the stresses developing in a tunnel lining [ J ]. Tunnelling and Underground Space Technol- ogy, 2009, 24(6) :716-722.
7Itoh H. Theory of tunnel magnetoresistance and spin fil- ter effect in magnetic tunnel junctions [ J ]. Journal of Physics D: Applied Physics, 2007, 40(5) :1228-1233.
8Proch(azka P. Application of FRC in tunnel reinforce- ment[ J ]. WIT Transactions on the Built Environment, 2006, 85(6) :391-400.
9Caner A. Structural fire safety of circular concrete rail- road tunnel linings [ J ]. Journal of Structural Engineer- ing, 2009,135(9) :1081-1092.