Drucker Prager - OpenSeesWiki

2016-3-16 · The Drucker-Prager strength parameters ρ and σ Y can be related to the Mohr-Coulomb friction angle, φ, and cohesive intercept, c, by evaluating the yield surfaces in a deviatoric plane as described by Chen and Saleeb (1994). By relating the two yield surfaces in triaxial compression, the following expressions are determined

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