A brief history of the development of model ice is given. For a typical model test, in which the geometric scale factor equals 30, the mechanical properties of all of the different model ices are tabulated, For many of the ices, data have not been published. It is shown that only columnar grained ice can correctly model situations where compression is important. Some current concerns of ice modelling are discussed, but lack of good quality full-scale data makes an objective comparison between model and full-scale difficult.

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