, conducted the experiments in much lower temperature and observed the same tendency. When the temperatures decrease from ?15 ? C to ?125 ? C the compression strength increases from V-The crack growth toughness is sensitive to the loading rate represented by the rate of increase of the initial dynamic stress intensity factor. The dynamic behaviour of ice under impact loading seems temperature, FIGURE 1.5: Uni-axial failure stress versus strain rate [Schulson, 2001] range of 0 ? ?40 ? C [Petrovic, 2003] as shown in Fig.1.6. And recently, Wu [Wu and Prakash, 2015.

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T. A. , 15: Experimental parameters of rectangular ice specimen with a hole and pre-crack Group 1

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