Finite Element Investigation of the Ultimate Capacity of Hollow-Flange Steel Girders with Web Openings

Usamah M. Salih; Abbas Haraj Mohammed; Marwa Z. Kareem; Kamaran S. Abdullah

doi:10.24237/djes.2022.15203

Authors

Usamah M. Salih Department of Civil Engineering, University of Diyala, 32001 Diyala, Iraq
Abbas Haraj Mohammed
abbasharaj@yahoo.com
Department of Civil Engineering, University of Diyala, 32001 Diyala, Iraq
Marwa Z. Kareem Department of Civil Engineering, University of Diyala, 32001 Diyala, Iraq
Kamaran S. Abdullah Department of Civil Engineering, Tishk International University, Iraq

Keywords:

Girder,, Hollow flange,, Openings,, Finite element,, Flexural member

Abstract

The goal of structural design is to select member sizes that are proportional to the structural geometry in order to achieve the most cost-effective design. Steel girders were typically made of webs, flanges and a number of internal stuffeners, the main objective of this research is to develop a finite element model to study the effect of the shapes and locations of openings on the behavior of hollow flange steel plate girders. In this study, seven models were analyzed in two groups. The first group study the effect of web openings shape openings on the behavior of hollow flange steel plate girders, while the second group study the effect of web openings location on the behavior of hollow flange steel plate girders. The girders are analyzed until the final failure has occurred. The results obtained from finite element analysis showed that that the absence of opening had an important effect on the ultimate load capacity. The ultimate capacity of hollow flange steel plate girder with four squares opening decreased about 5% compared to hollow flanges steel plate girder without openings.

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