A Constitutive Model for Saturated Gravelly Sand Based on Higher-Order Dilatancy Equation
Effects of the material parameters s and t on the higher-order yield function. (a) s-higher-order yield function (Dr = 0.35, σ3 = 50 kPa, M = 1.37, and t = 0.75). (b) t-higher-order yield function (Dr = 0.55, σ3 = 50 kPa, M = 1.4, and t = 2).
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