Representation Based Classification of Strength Theories of Concrete
This paper proposes a new classification of strength theories of concrete based on mathematical representation. First, stress invariants in strength criteria are classified according to their geometrical meanings in the stress space. Then, strength criteria of concrete are classified according to the categories of stress invariants employed in their representations and subclassified according to the nonlinear terms involved. By this formal classification, the mathematical properties of strength theories of concrete can be analyzed more clearly for constitutive formulation.
J. Zhang et al., "Representation Based Classification of Strength Theories of Concrete", Advanced Materials Research, Vols. 168-170, pp. 74-77, 2011