Material Model for Granular Soils

by Frank L. DiMaggio, (M.ASCE), Prof. of Civ. Engrg.; Columbia Univ., New York, NY,
Ivan S. Sandler, Sr. Res. Engr.; Paul Weidlinger, Consulting Engr., New York, NY,


Serial Information: Journal of the Engineering Mechanics Division, 1971, Vol. 97, Issue 3, Pg. 935-950


Document Type: Journal Paper

Abstract: A mathematical material model for granular soils, based on classical plasticity theory, is proposed. The yield surface combines a generalized ideally plastic Coulomb-Mohr failure envelope with a moving cap, crossing the hydrostatic loading axis, whose position depends on plastic volumetric strain. It is shown how this model can fit laboratory test data for a particular sand sample.

Subject Headings: Granular soils | Granular materials | Mathematical models | Plastics | Data processing | Model tests

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