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RESEARCH PAPERS: Arctic Engineering

Fracture of Multi-Year Sea Ice Under Triaxial Stresses: Apparatus Description and Preliminary Results

[+] Author and Article Information
P. R. Sammonds, S. A. F. Murrell, M. A. Rist

Department of Geological Sciences, University College London, London, U.K.

J. Offshore Mech. Arct. Eng 111(3), 258-263 (Aug 01, 1989) (6 pages) doi:10.1115/1.3257156 History: Received January 01, 1987; Revised November 14, 1988; Online October 30, 2009

Abstract

The forces that arctic sea ice can exert on offshore structures are strongly influenced by ice fracture. Fracture of multi-year sea ice has been studied in the laboratory under triaxial compression using a new triaxial mechanical testing cell for ice. A description of this apparatus is given, which enables the confined brittle behavior of ice to be investigated at temperatures down to −90°C and at strain rates up to 10−2 /s under closed-loop constant displacement rate control. Preliminary results for the fracture of multi-year sea ice under confined conditions at −10°C are presented.

Copyright © 1989 by ASME
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