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Effect of Concrete Slab on Built-up Double Web Castellated Steel Beam under Combined Flexural and Torsion Load

By
Farroq A .Abass ,
Farroq A .Abass

Civil Eng. Dept., University of Al-Qadisiyah, Ad Diwaniyah, Iraq

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Alaa M. Al-Khekany ,
Alaa M. Al-Khekany

Civil Eng. Dept., University of Al-Qadisiyah, Ad Diwaniyah, Iraq

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Abstract

The research examines the behavior and reactions of six double-web steel sections of non-composite and composite-reinforced concrete deck slabs and castellated steel beams. The composite beams with concrete slabs and non-composite steel beams with different levels of castellation were isolated from the specimens at 0%, 25%, and 50%. The ultimate strength, load at cracking, failure mechanism, load/deflection relationship at midspan, stiffness, and ductility were evaluated. The concrete slab increased the ultimate load by 61.1%, 63.3%, and 55.5% for castellation ratios of 0%, 25%, and 50%, respectively. The non-composite and composite castellated beams' shear strength decreased as the expansion ratio increased. The angle twist of non-composite samples was greater than that of composite samples due to their greater ductility and lower stiffness. The concrete slab also restricted the samples and reduced their rotation.

How to Cite

1.
Abass FA, Al-Khekany AM. Effect of Concrete Slab on Built-up Double Web Castellated Steel Beam under Combined Flexural and Torsion Load. Salud, Ciencia y Tecnología - Serie de Conferencias [Internet]. 2024 Jun. 5 [cited 2024 Jul. 22];3:840. Available from: https://conferencias.saludcyt.ar/index.php/sctconf/article/view/840

The article is distributed under the Creative Commons Attribution 4.0 License. Unless otherwise stated, associated published material is distributed under the same licence.

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