Hyperbolic Stress-Strain Response: Cohesive Soils

by Robert L. Kondner,


Serial Information: Journal of the Soil Mechanics and Foundations Division, 1963, Vol. 89, Issue 1, Pg. 115-144


Document Type: Journal Paper

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Abstract: The divergent concepts of a stability analysis, as compared with a load-deformation approach to soil mechanics, are shown to be compatible within the framework of a hyperbolic stress-strain relation. The two-constant hyperbolic form of the stress-strain response is such that the ultimate shear strength of the soil is contained within the general formulation and appears in the mathematical limit of the stress as the strain becomes excessive. This is quantiatively demonstrated for a remolded cohesive soil tested in consolidated-undrained triaxial compression. The variables contained in the hyperbolic stress-strain relation include the preconsolidation pressure, rebound stress, lateral pressure during the test, vertical normal stress, strain, and rate of strain. History effects are included in terms of the overconsolidation ratio. The general formulations obtained for the consolidated-undrained triaxial tests are compared with the results reported in the literature by other investigators for both drained and undrained consolidated triaxial tests under various conditions.

Subject Headings: Stress strain relations | Triaxial tests | Soil stress | Lateral pressure | Soil analysis | Shear strength | Soil strength

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