Convexity of Smooth Yield Surface of Frictional Material
- 1 November 1986
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of Engineering Mechanics
- Vol. 112 (11) , 1259-1262
- https://doi.org/10.1061/(asce)0733-9399(1986)112:11(1259)
Abstract
Existing formulations for the deviatoric cross section of a smooth yield surface for a frictional material such as concrete, soil, or rock are examined. It is shown that the simplest avail formulae do not guarantee convexity of the yield surface for all combinations of material parameters, while the formula developed by later research does.Keywords
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