In order to further study the mechanical properties of T-shaped CFST short columns with inner T-shaped steel under axial compression,on the basis of experimental research,the finite element software ABAQUS was used to establish the corresponding model for comparative analysis.The effects of steel tube yield strength,steel yield strength and concrete strength on the ultimate bearing capacity of T-shaped steel reinforced concrete filled steel tube short columns were studied.The results show that the finite element simulation results are basically consistent with the failure mode obtained by the test,and the bearing capacity of the specimen is also consistent with the corresponding curve of the steel tube.The increase of yield strength of steel tube,yield strength of steel and concrete strength can improve the ultimate bearing capacity of the specimen,and the yield strength of steel tube has a great influence.
关键词
T形钢管混凝土/T型钢骨/轴心受压/极限承载力/有限元分析
Key words
T-shaped CFST/T-shaped steel/axial compression/ultimate bearing capacity/finite element analysis