Author(s): P. O. Moslet; K. V. Hoyland
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Abstract: A medium scale ice – interaction experiment has been conducted at Svalbard, Norway as described in Part I. During the interaction the pulling force, the ice displacement, the ice pressure and strain on the structure was measured. A pressure sensor was installed in the ice floe ahead of the structure and the stresses in the ice floe measured in time. Two ice sheets were naturally grown and level ice between 0.16 m to 0.27 m thick was pushed against the structure. The highest force exerted by the ice on the load panel was 161 kN and the highest effective pressure was 1.5 MPa as 0.16 m thick ice was crushing against the structure. The measured internal stresses in the ice floe are compared with elastic and elasto-plastic theory. Crushing and spalling ice failure was observed and both radial cracking and splitting of the tested ice floes occurred. Test results are presented and discussed.
Year: 2004