International Journal For Multidisciplinary Research

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Finite Element Analysis of Circular Steel Concrete Cmposite Column

Author(s) Fatema-Tuz-Zahura, Razesh Kanti Sarkar, M.M.A.Anon, Farhan Faiaz Showvick, S.M. Mostaq Ahmed Chowdhury, Md. Arif Arman Akash
Country Bangladesh
Abstract Because of its many benefits, concrete-filled tube (CFT) columns are composite structural elements that are frequently used in commercial and industrial structures. These columns have exceptional seismic resistance due to the combination of steel and concrete, which is demonstrated by their great strength, flexibility, and energy-absorbing capability. More specifically, in terms of aesthetic appeal and cost-effectiveness, circular hollow steel sections are preferable to open sections. This study examines the impacts of changing the diameter of the concrete core, the slenderness ratio of the hollow steel tube, and its thickness on CFT columns by a parametric analysis. The finite element analysis program ABAQUS was used to perform nonlinear analysis, and the outcomes demonstrated good agreement with experimental data. In comparison to the other two models, the model featuring a 160 mm diameter had the maximum displacement and load capacity for CFT columns with diameters of 140, 150, and 160 mm. The models with steel tube thicknesses of 6 mm, 4 mm, and 3 mm demonstrated the greatest displacement and load capacity, with the 6 mm thickness model leading the pack. The 600 mm model displayed the maximum displacement and load capacity for column heights of 600 mm, 500 mm, and 400 mm, whereas the shorter columns displayed lesser displacements and capacities. Furthermore, when the column height dropped, the discrepancy in the results grew. These results demonstrate how geometric features affect the functionality of CFT columns, highlighting how crucial it is to take these factors into account when designing and analyzing such structures.
Keywords Concrete-filled tube, Steel tube, Displacement
Published In Volume 6, Issue 4, July-August 2024
Published On 2024-07-26
DOI https://doi.org/10.36948/ijfmr.2024.v06i04.24845
Short DOI https://doi.org/gt5hnc
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