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Prediction of ultimate load carrying capacity of castellated beams by experimental and analytical investigation

Prediction of ultimate load carrying capacity of castellated beams by experimental and analytical... The aim of this research paper is to offer a new angle of web opening for hexagonal castellated beams to avoid failure due to shear stress concentration at the corner of the web opening and to investigate the ultimate load carrying capacity and deflection of hexagonal and rectangular castellated beams. This research is focused on hexagonal and rectangle openings of a castellated beam. This research includes testing of 18 castellated steel beams out of 21 numbers of steel beams and 3 solid beams to investigate ultimate load carrying capacity and deflection. The variables were considered are the angle of opening for hexagonal shape with 30°, 45° and 60°, and the equivalent length of opening for a rectangular shape. All the castellated beams were analysed by using ANSYS software and the results were compared with experimental outcomes. The experimental and ANSYS results for ultimate load carrying capacity and deflection shows good agreement. Experimental results showed that the castellated beam with 30° hexagonal web opening having 28.63% more load carrying capacity and 83.52% less deflection compared to the solid beam. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Structural Engineering Inderscience Publishers

Prediction of ultimate load carrying capacity of castellated beams by experimental and analytical investigation

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Publisher
Inderscience Publishers
Copyright
Copyright © Inderscience Enterprises Ltd
ISSN
1758-7328
eISSN
1758-7336
DOI
10.1504/IJSTRUCTE.2021.114259
Publisher site
See Article on Publisher Site

Abstract

The aim of this research paper is to offer a new angle of web opening for hexagonal castellated beams to avoid failure due to shear stress concentration at the corner of the web opening and to investigate the ultimate load carrying capacity and deflection of hexagonal and rectangular castellated beams. This research is focused on hexagonal and rectangle openings of a castellated beam. This research includes testing of 18 castellated steel beams out of 21 numbers of steel beams and 3 solid beams to investigate ultimate load carrying capacity and deflection. The variables were considered are the angle of opening for hexagonal shape with 30°, 45° and 60°, and the equivalent length of opening for a rectangular shape. All the castellated beams were analysed by using ANSYS software and the results were compared with experimental outcomes. The experimental and ANSYS results for ultimate load carrying capacity and deflection shows good agreement. Experimental results showed that the castellated beam with 30° hexagonal web opening having 28.63% more load carrying capacity and 83.52% less deflection compared to the solid beam.

Journal

International Journal of Structural EngineeringInderscience Publishers

Published: Jan 1, 2021

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