A Damage Mechanics Model for Uniaxial Deformation of Ice

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Abstract
A one-dimensional stress-strain relationship is developed for pure polycrystalline ice subjected to uniaxial compression. The model is based on the continuous damage theories and includes the effects of elastic, plastic and brittle deformation mechanisms. A damage law for ice is established based on a statistical model for internal microfracture. Quantitative results are presented by directly relating the formation of internal cracks to published acoustic emission response of ice samples subjected to compression.

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