A REVIEW OF A CURRENT RESEARCH ON THE BONDING PROPERTIES OF CONCRETE-FILLED STEEL TUBES
Main article
Abstract
This paper is presenting the theory and experimental results on the bonding performance of the concrete-filled steel tube (CFST) at global perspective. It is introducing the bonding mechanism of steel tube concrete with the overview of the updated status on the performance of it towards bond strength, analyzes and compares its main influencing factors methodologically. The data is gathered in the industrial usage and compared with the previous studies done by the previous researches to examine the real factors and characteristics with the bonding strength targeted. The results show that the width-thickness ratio is o of the main factors contributing to the bond strength. In general, width-to-thickness ratio is negatively correlated with the bond strength where the steel tube interface structure is helping the improvising of the bond strength. There is a negative correlation between the width-to-thickness ratio and bond strength. This paper is also highlights the pivotal role of structural configuration at the steel tube of the bond strength. There are main aspects that contribute to the bond strength such as concrete strength, concrete age, specimen dimension, slenderness ratio and other aspects. Further investigation needs to be carried out to consolidate existing information on the bonding strength and to understand the complexities involved in CFST bonding performance. In conclusion, this paper emphasizes the needs of research to be conducted to have deepen understanding and to enhance the practical applications of CFST technology and indirectly contributing to the advancements in structural engineering and construction technology applications. It is also an opportunity for researchers to investigate further the real potential of CFST technology in various branch of civil engineering.
