Abstract
This study aimed to investigate the structural behavior of castellated beam-column steel elements. The benefit of castellation laid in increasing the section’s depth to induce an increase in the moment of inertia Ix and the section modulus Sx without the slightest increase in the element weight. Most of the previous researches focused on castellated beams but only few concentrated on beam-column elements. An experimental investigation was performed on twelve short and long castellated beams, columns and beam-column elements. The results of the performed experimental work were compared to the finite element analysis (FEA) to validate the applicability of FEA as a numerical tool. FEA was found to be in favorable agreement with their experimental counterparts. In this research, the behavior and strength of the castellated beam, columns, and beam-column elements were investigated by means of the verified finite element modeling. The various parameters taken into consideration in this research were respectively; load eccentricity, element length and castellation ratio.
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