Critical State Parameters

by Yudhbir,
V. Kuganathan,
Surendra K. Mathur,

Serial Information: Journal of the Geotechnical Engineering Division, 1978, Vol. 104, Issue 4, Pg. 497-501

Document Type: Journal Paper


The Cambridge group has given models based on theory of plasticity to predict the stress-strain behavior of ..wet.. clays. One of the attractive features of these models is the ease with which the relevant soils parametersλ, κ, and M can be evaluated Parameters λ and κ are, respectively, slopes of the virgin consolidation and swelling curves in the void ratio (e) – ln P… plot obtained from triaxial isotropic consolidation test. The main purpose of this note is to highlight the influence of different factors on parameters λ and D with a view to ascertain whether or not they are constants for a soil.

Subject Headings: Consolidated soils | Parameters (statistics) | Triaxial tests | Soil stress | Plasticity | Stress strain relations | Clays | Slopes

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