Abstract
Static strength criteria, which take into account various failure mechanisms — separation, crumpling, shear — are proposed for anisotropic materials for general cases of triaxial and biaxial stress states. The directions of critical sites of separation, crumpling, and shear do not, generally speaking, coincide with the directions of principal normal and tangential stresses and are determined analytically. A linearized modification of strength criteria, which takes into account the effect of internal Coulomb friction, is given. A comparison is made between the strength criterion obtained and experimental data.
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