Research Article
Mar 1973
Curved Webs under Combined Shear and Normal Stresses
Publication: Journal of the Structural Division
Volume 99, Issue 3
Abstract
Normal stresses, caused by bending of a girder in the direction of its curved web, have an effect equivalent to lateral pressure on the web. Except for pure shear, the problem of a curved web subjected to inplane membrane stresses is not a buckling but rather a deflection amplification problem. The membrane stresses cannot exceed a certain critical limit at which the deformation of the web theoretically reaches infinity. The behavior of curved webs is examined under different combination of membrane stresses using the linear theory of shells. The critical limit is calculated using two modified simultaneous homogenous differential equations and the Galerkin's method. The two differential equations lead to a system of linear homogenous equations from which the minimum eigenvalues of the critical load are calculated and presented in tables and curves. Approximate conservative formulas are also given for practical applications.
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Published In
Journal of the Structural Division
Volume 99 • Issue 3 • March 1973
Pages: 511 - 525
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Mar 1973
Published online: Feb 1, 2021
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Authors
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George Abdel-Sayed, M.ASCE
Assoc. Prof., Dept. of Civ. Engrg., Univ. of Windsor, Windsor, Ontario, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.