الفهرس Only 14 pages are availabe for public view
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Abstract
This study aims to evaluate the hysteretic behavior of reinforced concrete wide beam {u2013}column joints when subjected to lateral cyclic loading. In the first part of the study, ten wide beam column {u2013} joints specimens were tested to investigate the effect of beam width, reinforcement configuration, and stirrups configuration on the ultimate capacity, ductility, cracking pattern, stiffness degradation, and energy dissipation. In the second part, the hysteretic behavior of reinforced concrete wide beam {u2013}column joints was numerically investigated. In the current study, the Applied Element Method was adopted. The results showed that the AEM investigation was effective and successfully predicted the local behavior of wide beam- column joints. A numerical parametric study was performed to investigate the behavior of reinforced concrete wide beam {u2013}column joints due to the variation of beam width, reinforcement configuration, loading history, stirrups configuration, column axial load, and compressive strength. Based on this study, wide beam {u2013} column joints designed according to seismic provision of the Egyptian code provide ductile seismic performance even when beam width to column width is greater than two and when two {u2013} thirds of the wide beam flexure reinforcement is anchored outside column core. Therefore, beam width limit in the Egyptian code can be increased. Stirrups significantly affect the behavior of wide beams