Measurement of the Fracture Toughness of Glacier Ice
1985 ◽
Vol 31
(108)
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pp. 171-176
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Keyword(s):
AbstractFracture-toughness testing of both fresh-water and sea ice has used specimen geometries designed for metals. These designs are too large and difficult to manufacture for testing material cored from a glacier. This paper presents an alternative specimen, a radially cracked ring fractured by internal pressure. Tests using this specimen on the Bersærkerbræ, a valley glacier in the Stauning Alper, north-east Greenland, gave a mean fracture toughness of 58 . This is half the value typically obtained by other workers in laboratory tests. The results are compared with other data and the reasons for the disagreement discussed.
1985 ◽
Vol 31
(108)
◽
pp. 171-176
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Keyword(s):
1997 ◽
pp. 95-103
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Keyword(s):
1987 ◽
Vol 109
(4)
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pp. 314-318
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1988 ◽
Vol 30
(5)
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pp. 565-577
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