Research Article
Aug 1978
Generalized Stress-Strain Relations for Concrete
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VIEW THE REPLYAuthors: Michael D. Kotsovos and John B. NewmanAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 104, Issue 4
Abstract
Triaxial experimental data on the behavior of concrete have indicated that while only volumetric changes occur under pure hydrostatic stress, both distortional and volumetric changes occur under pure deviatoric stress. By analyzing these data and assuming that such experimental data in general can only be relied upon to represent the material behavior up to the level at which continuous cracks begin to form within the structure of the material, it has been possible to express mathematically the deformational characteristics of concrete in terms of the bulk and shear moduli and a correction function that allows for volume changes unde deviatoric stress. These expressions have been formulated to be consistent with use in computer-based methods of structural analysis and they completely define the state of strain corresponding to any state of stress.
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Published In
Journal of the Engineering Mechanics Division
Volume 104 • Issue 4 • August 1978
Pages: 845 - 856
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Aug 1978
Published online: Feb 3, 2021
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Michael D. Kotsovos
Member; Concrete Materials Research Group, Civ. Engrg. Dept., Imperial Coll., London, United Kingdom
John B. Newman
Head, Concrete Materials Research Group, Civ. Engrg. Dept., Imperial Coll., London, United Kingdom
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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.