Research Article
Oct 1975
Elastoplastic Stress-Strain Theory for Cohesionless Soil
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VIEW THE REPLYPublication: Journal of the Geotechnical Engineering Division
Volume 101, Issue 10
Abstract
Based on the results of cubical triaxial tests on Monterey No.0 Sand, an elastoplastic stress-strain theory was developed for cohesionless soil. The theory incorporates a new failure criterion, a new yield criterion, a new flow rule, and an empirical work-hardening law. The theory is applicable to general three-dimensional stress conditions and it models several essential aspects of the soil behavior observed in experimental investigations: nonlinearity, the influence of σ3, the influence of σ2, stress-path dependency, shear dilatancy effects, and coincidence of stress increment and strain increment axes at low stress levels with transition to coincidence of stress and strain increment axes at high stress levels. Results of cubical triaxial tests, torsion shear tests, and tests performed using various stress-paths were analyzed using the theory, and it was found that the stress-strain and strength characteristics observed in these tests were predicted with reasonable accuracy.
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Published In
Journal of the Geotechnical Engineering Division
Volume 101 • Issue 10 • October 1975
Pages: 1037 - 1053
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Oct 1975
Published online: Feb 10, 2021
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Authors
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Poul V. Lade, AM.ASCE
Asst. Prof. of Engrg. and Applied Sci., Univ. of California, Los Angeles, Calif
James M. Duncan, M.ASCE
Prof. of Civ. Engrg., Univ. of California, Berkeley, Calif
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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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