Research Article
Dec 1982
Tension Stiffening Concept Based on Bond Slip
Authors: Helmut Floegl and Herbert A. Mang, M.ASCEAuthor Affiliations
Publication: Journal of the Structural Division
Volume 108, Issue 12
Abstract
Consideration of tension stiffening in reinforced concrete panels by means of so-called “tension stiffening factors,” appearing in total and incremental equilibrium equations, has proved to be very effective. These factors result from bond slip between the reinforcement and the surrounding concrete. They are directly proportional to the average bond stress between adjacent cracks, the crack spacing, the cosine of the angle enclosed by the normal to the crack, and the reinforcement and inversely proportional to the average steel stress and the diameter of the reinforcement. The proposed concept does not require introduction of relative displacements. The method is applied to predict the short-term behavior of panels. The Finite Element Method is used as an analysis tool. Results agree well with experimental values obtained by other researchers. If, however, tension stiffening is disregarded, failure loads are underestimated whereas steel stresses are overestimated.
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Published In
Journal of the Structural Division
Volume 108 • Issue 12 • December 1982
Pages: 2681 - 2701
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Dec 1982
Published online: Feb 1, 2021
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Affiliations
Helmut Floegl
Research Asst., Dept. of Civ. Engrg., Technical Univ. of Vienna, Vienna, Austria
Herbert A. Mang, M.ASCE
Assoc. Prof., Dept. of Civ. Engrg., Technical Univ. of Vienna, Vienna, Austria
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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.
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