Abstract
This research paper introduces the ABAQUS simulation of fully encased composite (FEC) columns and compared to reinforced concrete columns of different concrete strengths. Axial load capacity deformation, stress and strain patterns are determined for reinforced concrete columns and composite columns with I-section steel confinement. The behavior of composite columns and reinforced concrete columns can be determined by the Finite Element Method (FEM) using the ABAQUS software. Based on the results, it was shown that the reinforced concrete column has less resistance to ultimate axial load compared to fully encased composite columns. Due to structural steel in composite columns ultimate axial load resistance has improved. Stress-strain distributes across the column surface area during yield, but it gets concentrated in the pedestal area. A detailed parametric analysis was performed to study the behavior of axially loaded columns of FEC and RC in ABAQUS software. The geometric and material properties are varied, and their effects have been observed with respect to ultimate axial load with failure mode and overall column load-deformation responses are tabulated and plotted in the graphs.
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