International Journal of Emerging Research in Engineering, Science, and Management
Vol. 4, Issue 2, pp. 32-39, Apr-Jun 2025.
https://doi.org/10.58482/ijeresm.v4i2.5

This work is licensed under a Creative Commons Attribution 4.0 International License.

Axial Compression Behaviour of Steel Square Column Filled with Steel Fibre Concrete

Prakash K.C.

N. Siva Kumar

Korakuti Hanumanthu

Department of Civil Engineering, Bonam Venkata Chalamayya Engineering College (Autonomous), Odalarevu, India.

Abstract: Steel Fibre Concrete-Filled Steel Square Tubes (SFCFSST) represent a modern and highly efficient structural system that combines steel’s strength and enhanced fibre-reinforced concrete performance. These columns exhibit improved compressive strength, ductility, and overall structural integrity by integrating steel fibres and expansive agents into the concrete mix. Although using such composite columns remains a relatively new concept, their potential to enhance seismic resistance, load-bearing capacity, and fire resilience positions them as a promising solution for future construction practices. In this study, axial compression tests were completed. According to the test results, the axial compression behaviour of columns increases with the proportion of steel fibres replaced. It has higher ductility than regular Concrete Filled Steel Tubes (CFST) columns. In this article, the strength attributes of CFST structures were investigated utilising Steel Fibre in various proportions, i.e., 0%, 0.5%, 1%, 2%, and 3% as partial replacements for Coarse Aggregate.

Keywords: Axial Compression, Compression Strength, Concrete-Filled Steel Tubes, Steel Fibre.

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