Author(s): Marc Drouin
Linked Author(s):
Keywords: No Keywords
Abstract: The usual technique used to estimate the thermal stresses exerted by ice has consisted of immobilizing the extremities of samples during temperature increases. A second technique consists of doing constant strain rate tests at different temperatures. This method has advantages over the first one in that it is done at constant temperatures and it enables one to relate the thermal stresses to the fundamental creep laws of ice. The paper describes the results of constants strain rate tests of three types of ice deformed at rates of 10-8 sec-1 and presents, the rheological model which fits the stress-strain curves and which is used to calculate the thermal stresses exerted by thick ice covers restrained in one direction.
Year: 1972