4KENJ I S, HIROYU KI N, SHOSU KE M, et al. Behavior of Centerally Loaded Concrete Filled Steel Tube Short Columns [ J ]. Journal of Structural Engineering, 2004, 130 (2) : 1802188.
5Wei S, Man S T, Vipulanandan C, etal. Performance of new sandwich tube under axial loading: Experi ment [J]. Journal of Structural Engineering , 1995 , 121 (12): 1806-1821.
6Cristescu N, Sulieiu I. Viscoplasticity. Martinus Nijhoff Publishers, 1982.
7Cristescu N. Rock Theology. Kluwar Academic Publishers, 1989.
8Beni Assa, Minehiro Nishiyama, Fumio Watanabe. New Approach for Modeling Confined Concrete I: Circular Colunms [J]. Journal of Structural Engineering. ASCE, 2001, 127 (7) : 743-750.
