3Hibbitt,Karlsson,Sorensen.ABAQUS/Standard User Subroutines Reference Manual[M].USA:The Pennsylvania State University,1998:1-200.
4Model Code 90,CEB-FIP[S].Lausanne:Mai,1993.
5Lubliner J,Oliver J,Oller S,Onate E.A plastic-damage model for concrete[J].International Journal of Solids and Structures,1989,25(3):299-326.
6Lee J,Fenves G L.Plastic-damage model for cyclic loading of concrete structures[J].Journal of Engineering Mechanics Division-ASCE,1998,124(8):892-900.
7Kachanov L M.Rupture time under creep conditions[J].International Journal of Fracture,1999,97(1/2/3/4):11-18.
8Belarbi A,Hsu T T C.Constitutive laws of softened concrete in biaxial tension-compression[J].ACI Structural Journal,1995,92(5):562-573.
9Mohamad Mansour,Lee Jung-Yoon,Hsu Thomas T C.Cyclic stress-strain curves of concrete and steel bars in membrane elements[J].Journal of Structural Engineering,2001,127(12):1402-1411.
10Vecchio F J,Collins M P.The modified compression-field theory for reinforced concrete elements subjected to shear[J].ACI Structural Journal,1986,83(2):219-231.
