3NAKANISHI K, KITADA T,NAKAI H. Experimental study on ultimate strength and ductility of concrete filled steel columns under strong earthquake[ J]. Journal of Constructional Steel Research, 1998,51:297-319.
4HAIJJAR J F,MOLODAN A,SCHILLER P H. A distributed plasticity model for cyclic analysis of concrete-filled steel tube beam-columns and composite frames[J] .Journal of Steel Construction and Research, 1997,20(5):398-411.
5SCHILIER P H, HAIJJAR J F, MOLODAN A. Nonlinear analysis of composite concrete-filled steel tube frames [C]//International Conference Report on Composite Construction-Conventional and Innovative. Innsbruck: IABSE, 1997:283-288.
6HAIJJAR J F, GOURLEY B C. A cyclic nonlinear model for concrete-filled tubes[J]. Journal of Structural Engineering, ASCE, 1997,123 (6): 736-744.
7HAIJJAR J F. A distributed plasticity model for concrete-filled steel tube beam-columns with interlayer slip[J]. Engineering Structures, 1998,20(8) : 663-676.