Research Article
Oct 1969
Bending of Deep Girders with A514 Steel Flanges
Publication: Journal of the Structural Division
Volume 95, Issue 10
Abstract
An investigation was conducted to determine the maximum web slenderness that could be safely used in homogeneous and hybrid girders with A514 steel flanges. An experimental study included tests of four 39-in-deep girders: two pairs of girders in which each pair consisted of a hybrid and a homogeneous girder. The tests showed that the present design formula for a reduced flange stress due to a nonlinear web stress can be applied to homogeneous A514 steel girders, whereas for hybrid girders with A514 steel flanges and A36 steel webs this reduction is not required provided that the effect of web yielding is considered. A theoretical model of the vertical-buckling phenomenon treats the compression flange and a portion of the web as a column elastically supported by the web and subjected to vertical buckling between transverse stiffeners. Design criteria are suggested, for transversely stiffened girders with A514 steel flanges subjected to pure bending, to insure that the flange-yield moment can be reached without vertical buckling.
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Information
Published In
Journal of the Structural Division
Volume 95 • Issue 10 • October 1969
Pages: 2219 - 2242
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Oct 1969
Published online: Feb 1, 2021
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Authors
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Phillip S. Carskaddan, AM.ASCE
Research Engr., Applied Research Lab., US steel Corp., Monroeville, Pa.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.