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Title: Flexural behaviour of steel I-girder having corrugated webs and slender flanges
Authors: Inaam Q.
Upadhyay A.
Published in: Structures
Abstract: Corrugated webs are often utilized in bridge engineering applications due to better shear resistance and improved aesthetics. The stress distribution due to flexure and shear of corrugated girders is different from that of the flat girders. Generally, due to the accordion effect, it is assumed that the web contribution is negligible to the bending moment resistance. Further, the use of slender flanges poses stability problems that require investigation. The current study evaluates the adverse effect of slender flange buckling on the moment of resistance of the corrugated web girders through the stability and strength analysis of the steel I-girders with corrugated webs. Extensive parametric studies on buckling co-efficient and moment capacities are carried out using a validated numerical model to develop a better understanding of the flexural capacities of slender (Class 4) cross-section corrugated girders. Also, various design models proposed over three decades from the literature are compared. Based on numerical results, an empirical equation is presented for the determination of the ultimate moment of resistance of slender flanges for corrugated girders. ¬© 2020 Institution of Structural Engineers
Citation: Structures(2020), 27(): 12-21
Issue Date: 2020
Publisher: Elsevier Ltd
Keywords: Corrugated web
FEM analysis
Flange buckling
Flexural capacity
Nonlinear behaviour
ISSN: 23520124
Author Scopus IDs: 57206273843
Author Affiliations: Inaam, Q., Department of Civil Engineering, IIT Roorkee, India
Upadhyay, A., Department of Civil Engineering, IIT Roorkee, India
Corresponding Author: Inaam, Q.; Department of Civil Engineering, IIT RoorkeeIndia; email:
Appears in Collections:Journal Publications [CE]

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