Experimental Investigation on Behavior of Beam Column Joint Reinforced with King Cross Steel Profile

Deepika K C; Sharath R R

Experimental Investigation on Behavior of Beam Column Joint Reinforced with King Cross Steel Profile

Author(s)	Prof. Deepika K C, Mr. Sharath R R
Country	India
Abstract	This study explores the import of incorporating an innovative King cross steel profile on the structural performance of beam-column joints in reinforced concrete frames. The research focuses on improving key structural attributes such as load-bearing capacity, cracks resistance, and overall durability. After reviewing existing reinforced methods, the study identifies the need for enhanced techniques to bolster tensile strength and load-bearing capacity. In response, the King cross steel profile was developed and integrated into beam-column joints. This approach aimed to delay crack initiation and increase overall structural capacity. The effectiveness of this reinforcement was tested by comparing two sets of beam-column frames one with the king cross steel profile and a control set without it under static loading conditions. Key metrics like crack initiation, ultimate load capacity, failure modes, cracks width, and deformation were closely monitored. Result showed that the frames with the king cross profile outperformed the control frames, with delayed cracks initiation and higher load-bearing capacity. However, shear failure was observed in both sets, indicating the need for additional shear reinforcement. Variation in cracks width and deformation pattern between the two sets further underscored the potential of the king cross profile to enhance tensile strength and deformation capacity. Despite these advances, the study suggests that further research is needed to optimize shear resistance and cracks control. In summary, the research offers valuable insights into the benefits of the King Cross steel profile as a reinforced concrete structure performance in various engineering applications.
Keywords	BCJ, Joint shear reinforcement, Steel reinforcement concrete, King cross steel profile, Interior beam column joint, Joint shear failure, King cross steel profile, Reinforced concrete frames, Load bearing capacity, Crack Resistance, Tensile strength, Crack initiation, Ultimate load capacity, Structural Performance
Field	Engineering
Published In	Volume 8, Issue 1, January-February 2026
Published On	2026-02-06

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Experimental Investigation on Behavior of Beam Column Joint Reinforced with King Cross Steel Profile

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