Abstract
In this study, the mechanical properties of different CFST column shapes, including circular, rectangular, square, square with rounded corners, and triangular, are all analyzed and compared using the ANSYS R2 2021 software. Total deformation, equivalent stress in concrete and steel, equivalent elastic strain in concrete and steel, and mechanical characteristics of the various CFST column shapes are also compared. axial load as well as the highest load that CFST columns can support. Comparing the circular model to other models, it was discovered that it is more resilient to stress and strain and deforms less.13.648% total deformation and decreases in stress and strain of 41.66%, 25.93%, 42.06%, and 24.99% for concrete and steel, respectively. Key words: steel tubes with concrete filling, deformation, maximum load, stress-strain, and ANSYS software.
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