摘要
为研究钢管混凝土构件的力学性能 .建立可承受压弯剪 (扭 )的三维钢管混凝土梁单元 ,用双线性随动硬化模型模拟外包钢管的本构关系 ,对核心受拉和受压混凝土采用不同的非线性材料特性 .利用自行编制的程序 ,对各种钢管混凝土构件进行荷载 -变形全过程分析 。
A kind of 3D CFST beam element is studied for its behaviors under compression, bending, torsion and shearing, material nonlinearities are considered with a bilinear kinematic hardening constitutive model for steel tube, and the relationship between stress and strain is simulated for the core concrete under compression and tension. Several CFST members are analyzed for their load-deformation processes with finite element program, and the results are in good agreement with the test data, so the element can be used for the to complex CFST structures.
出处
《哈尔滨工业大学学报》
EI
CAS
CSCD
北大核心
2003年第3期334-337,341,共5页
Journal of Harbin Institute of Technology
