Browsing by Author "I. Badawi, Marwa"

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    Efficiency of (GFRP- Steel) Stirrups in Reinforcing the Punching of Slab-Column Connections subjected to Eccentric Load
    (October university for modern sciences and Arts MSA, 2023) H. Makhlouf, Mohamed; Ismail, Gamal; H. Abdel Kareem, Ahmed; I. Badawi, Marwa
    The effectiveness of inner stirrups as the punching shear reinforcement for slab-column connections under eccentric loading was studied in this research with the purpose of improving the punching behaviour. This research experimental data and results study the effect of using steel, and glass fiber reinforced polymer stirrups (GFRPS) as punching shear reinforcement for interior slab-column connections (S-C-C) under eccentric loading. The experimental program consists of six flat slabs with dimensions of 1600*1600 *150 mm, stub column having a 200*200 mm cross-section with 700 mm total height extended outside both sides of the slab. The variables were the materials used for manufacturing stirrups (Steel - GFRP), the distance between stirrups (50 or 70) mm, and the case of loading (eccentric or centric load). The experimental results showed a noticeable increase in punching shear resistance for the slabs reinforced with stirrups ranged from 28 to 63% compared to the control specimen. Finite element analysis was performed using the Abaqus/CAE6.14 software, and the results were compared to the experimental results, which revealed a significant agreement. A Parametric analysis was also performed on the validated model. Finally, Equations for punching strength prediction were applied and then compared with the experimental results.