Affiliation:
1. Professor, Department of Structural Engineering, Faculty of Engineering, Tanta University, Tanta, Egypt ()
Abstract
This paper discusses web slenderness effects on the flexural behaviour of epoxy adhesive-bonded compound normal and high-strength steel beams. The compound beams were simply supported and consisted of an I-section connected, on its top flange, to a channel section using an epoxy adhesive. A non-linear three-dimensional finite-element modelling study was performed using Abaqus software for the analysis of the beams. The non-linear finite-element modelling was verified against tests on compound steel beams with different cross-sections. An extensive parametric study was carried out using the finite-element modelling to study the effects of the change in web slenderness, cross-sectional geometries, beam lengths and steel strengths on the flexural behaviour of compound steel beams. The failure moments predicted by the finite-element modelling were compared with the design moments predicted by the European code for steel beams in flexure. It is shown that the code generally overestimated the design failure moments for most of the epoxy adhesive-bonded compound steel beams investigated in this study. In addition, reliability analysis was performed to assess the reliability of the design rules of the code. Generally, it was found that the European code is unconservative and statistically unreliable for the epoxy adhesive-bonded compound beams investigated in this study.
Subject
Building and Construction,Civil and Structural Engineering
Cited by
1 articles.
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1. Editorial;Proceedings of the Institution of Civil Engineers - Structures and Buildings;2024-09