Numerical Investigation of Story-Location Reinforced Concrete Column Joints Considering the Effect of Transition Dimensions and Orientations | ||||
| Port-Said Engineering Research Journal | ||||
| Articles in Press, Accepted Manuscript, Available Online from 26 August 2025 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/pserj.2025.400098.1421 | ||||
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| Authors | ||||
Sara Hassan  1; emad Abdel-Galil2; Ezzaat A. Sallam 3
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| 1civil engineering department, faculty of engineering, Port Said University, Port Said, egypt | ||||
| 2Professor of concrete structures, Faculty of Engineering, Port Said University, Egypt, | ||||
| 3Civil Engineering Department, Faculty of Engineering, Port Said University | ||||
| Abstract | ||||
| ABSTRACT Architectural needs may require changing column orientation from floor to floor, in such a case, the design of this connection needs extensive care. In this paper, the structural performance of reinforced concrete column connections based on their positional categories, such as interior, exterior, and corner, under the effect of varying dimensions and loading stages was analytically investigated. Using finite element analysis, the study employs advanced modeling techniques, including 8-node elements for concrete and truss elements for steel reinforcement. Twelve reinforced concrete columns were simulated by the aid of ANSYS program to examine the intersection positions (interior, exterior, and corner) and assess the column dimensions and their effect on capacity. The analysis examined the crack patterns, failure modes, and load-deflection behaviors for interior, exterior, and corner RC columns with different dimensions. The finite element modeling study revealed that the interior columns exhibit higher load capacities than the exterior and corner columns. Crack patterns evolve progressively with load increments, with interior columns showing better resistance due to enhanced confinement. Also, the load-deflection relationships indicate significant differences based on column position and dimensions, with stress distributions highlighting critical failure regions. Finally, a proposed method to predict column connection capacity was introduced. | ||||
| Keywords | ||||
| Keywords: Finite Element Modeling (FEM); Column connections; Axial loads; and Failure modes | ||||
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