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RESEARCH PAPERS: Arctic Engineering

Confined Compressive Strength of Multi-Year Pressure Ridge Sea Ice Samples

[+] Author and Article Information
G. F. N. Cox, J. A. Richter-Menge

U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, N.H. 03755

J. Offshore Mech. Arct. Eng 110(3), 295-301 (Aug 01, 1988) (7 pages) doi:10.1115/1.3257065 History: Received August 06, 1987; Online October 30, 2009

Abstract

Fifty-five constant-strain-rate triaxial tests were performed on verticaly oriented multi-year pressure ridge samples from the Beaufort Sea. The tests were performed on a closed-loop electrohydraulic testing machine at two nominal strain rates (10−5 and 10−3 s−1 ) and two temperatures (−20° and −5°C). In all of the tests the confining pressure was ramped in constant proportion to the applied axial stress (σ1 > σ2 = σ3 , σ3 /σ1 = constant). Two σ3 /σ1 ratios were investigated: 0.25 and 0.50. This paper summarizes the sample preparation and testing techniques used in this investigation and presents data on the confined compressive strength and failure strain of the ice. Uniaxial data are also included for comparison.

Copyright © 1988 by ASME
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