Elastic and Plastic Strain Properties of Sand

by Chin-Su Ting, Lect.; Dept. of Hydraulic Engrg., Qinghua Univ., Beijing, China,

Serial Information: Journal of the Geotechnical Engineering Division, 1982, Vol. 108, Issue 5, Pg. 787-793

Document Type: Journal Paper


This paper describes the results of tests using conventional triaxial apparatus with loading and unloading, on samples of medium sand with two different unit weights. The method is used to study the elastic and plastic volumetric and axial strains under the conditions of hydrostatic and deviator stress. It is shown that under hydrostatic compression, the elastic volumetric strain of medium sand is always greater than its plastic volumetric strain. The ratio of elastic volumetric strain to plastic volumetric strain may decrease as the hydrostatic pressure increases. Other conclusions are also described.

Subject Headings: Elastoplasticity | Plasticity | Elastic analysis | Strain | Soil stress | Load tests | Triaxial tests | Triaxial loads

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