Fatigue of web-flange weld of corrugated web girders: 1. Influence of web corrugation geometry and flange geometry on web-flange weld toe stresses

Kengo Anami; Richard Sause; Hassan H. Abbas

doi:10.1016/j.ijfatigue.2004.08.006

Fatigue of web-flange weld of corrugated web girders: 1. Influence of web corrugation geometry and flange geometry on web-flange weld toe stresses

Kengo Anami, Richard Sause, Hassan H. Abbas

Research output: Contribution to journal › Article

30 Citations (Scopus)

Abstract

The fatigue performance of the web-flange weld of steel girders with trapezoidal corrugated webs was examined experimentally, using large-scale girder specimens, and analytically. The focus was on a region of constant bending moment. Fatigue cracks initiated at many points along the inclined folds, and then propagated perpendicular to the principal stress direction. Propagation of cracks initiating near the end of the inclined folds led to failure. Parametric FEM analyses indicated that the corrugation angle and the bend radius at the fold lines of the corrugations are the parameters that most influence the stress at the web-flange weld toe.

Original language	English
Pages (from-to)	373-381
Number of pages	9
Journal	International Journal of Fatigue
Volume	27
Issue number	4
DOIs	https://doi.org/10.1016/j.ijfatigue.2004.08.006
Publication status	Published - 2005 Apr 1
Externally published	Yes

Keywords

Corrugated web girders
Fatigue strength
Geometry effect
Stress concentration

ASJC Scopus subject areas

Modelling and Simulation
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

Access to Document

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Anami, K., Sause, R., & Abbas, H. H. (2005). Fatigue of web-flange weld of corrugated web girders: 1. Influence of web corrugation geometry and flange geometry on web-flange weld toe stresses. International Journal of Fatigue, 27(4), 373-381. https://doi.org/10.1016/j.ijfatigue.2004.08.006

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abstract = "The fatigue performance of the web-flange weld of steel girders with trapezoidal corrugated webs was examined experimentally, using large-scale girder specimens, and analytically. The focus was on a region of constant bending moment. Fatigue cracks initiated at many points along the inclined folds, and then propagated perpendicular to the principal stress direction. Propagation of cracks initiating near the end of the inclined folds led to failure. Parametric FEM analyses indicated that the corrugation angle and the bend radius at the fold lines of the corrugations are the parameters that most influence the stress at the web-flange weld toe.",

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