Abstract
Nonlinear finite element analysis of twelve SRC (steel reinforced concrete) special-shaped columns using ANSYS programs was conducted and the mechanical behaviors of these columns were analyzed. A series of numerical simulation technologies such as defining the material model of the concrete /steel, establishing global finite element model with discrete reinforced bars/stirrups elements and the methods of post-processing of the results were investigated. A quick method of finite element model establishment was proposed to avoid unit not sharing nodes and grid division error during meshing, which would cause problems such as divergence of the model. The results indicate that the numerical simulation technology presented is feasible and can be applied to further research on mechanical behaviors of the SRC structures.
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