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Ductile compressive failure of columnar saline ice under triaxial loading
Author(s) -
Melton J. S.,
Schulson E. M.
Publication year - 1998
Publication title -
journal of geophysical research: oceans
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.67
H-Index - 298
eISSN - 2156-2202
pISSN - 0148-0227
DOI - 10.1029/98jc01266
Subject(s) - orthotropic material , perpendicular , materials science , yield (engineering) , compressive strength , composite material , geology , geometry , physics , thermodynamics , mathematics , finite element method
Experiments and analysis have shown that the ductile compressive yield stress (at −10°C at 4 × 10 −5 s −1 ) of S2 saline ice, an orthotropic material whose crystallographic c axes are randomly oriented in the plane perpendicular to the long axis of the columnar grains [ Michel , 1978], loaded triaxially both across and along the columnar‐shaped grains obeys Hill's [1950] criterion under low to intermediate levels of confinement. Correspondingly, the ratio of inelastic strains can be described by the attendant associated flow rule.

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