Open Access
pawar praveen
P Poluraju
- Research Scholar Department of Civil Engineering, KLEF University Andhra Pradesh India
- Professor Department of Civil Engineering, KLEF University Andhra Pradesh India
Abstract
A composite section made from a hollow steel tube after concrete has been poured inside of it is known as Concrete filled steel tube. CFT is a high-performance component that combines the impact of steel confinement with the design freedom of concrete. It resists applied stress by fusing concrete and steel. The interaction of steel tubes and concrete gives CFST its strength, and as a result, it has become more and more well-liked in recent years. The current study intends to conduct a thorough evaluation of the existing literature on CFST under various loads, variable steel tube thickness, altering grade of concrete infill, as well as various boundary circumstances. The load bearing capacity, applied load vs. deflection response, normalisation of applied load vs. deflection response, moment vs. rotation response, stiffness degradation, energy dissipation, and confinement effect will all be used to evaluate the behaviour of the composite column. After carefully examining the literature, it is determined that CCFST has an excellent load-carrying capability. As the concrete grade which is going to fill inside the steel tube increases as well as steel tube thickness increases, the confinement effect decreases, and hence load-carrying capacity declination takes place. Concrete-filled steel tubes’ load carrying capacity is also influenced by the boundary condition.
Keywords: CFST, Grade of infill concrete, Thickness of steel tube, Compression behavior, Ultimate Capacity
This article belongs to Special Issue Conference International Conference on Innovative Concepts in Mechanical Engineering (ICICME – 2023)
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Journal of Polymer and Composites
| Volume | 11 |
| Special Issue | 08 |
| Received | October 19, 2023 |
| Accepted | October 30, 2023 |
| Published | January 20, 2024 |