Author(s): A. P. S. Selvadurai
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Abstract: The structure of a floating ice sheet can display non-homogeneous properties, consistent with its natural development. Such non-homogeneities can be either of the stratified type where the mechanical properties of the ice sheet vary across its thickness or they can be of the spatial type where cracks, flaws, brine inclusions etc., lead to ice sheets with random mechanical properties. The present paper deals with the elastostatic stress analysis of an ice sheet which exhibits a laminated structure. Such lamination effects can be conveniently accommodated via a thin plate theory which incorporates effective stiffness properties. The paper examines the effects of material non-homogeneity on the deflections and flexural moments in a floating ice sheet which is subjected to an axi symmetric circular load of uniform intensity.
Year: 1984