Nowadays people enjoy a variety of sports and recreations on frozen surfaces in winter. It is important to estimate the bearing capacity of an infinite ice sheet in order to ensure their safety. In this study, (1) we show in charts and graphs the estimated bearing capacity of ice sheets obtained by the deflection of ice sheets per unit load without breaking the ice; (2) we obtain an equation to calculate the bearing capacity of ice sheets with holes and indicate the results in charts; and (3) we describe in charts the critical traveling speed of loads moving on ice sheet when the bearing capacity is at minimum.
Ice sheets in rivers, lakes, lagoons in cold regions are used for a variety of purposes. They are used as tracks on the ice,as roads for automobiles, as runways for airplanes, and as footholds for the construction of structures. Knowledge of physical and dynamic characteristics of natural ice sheets and techniques to estimate the bearing capacity of natural ice sheets against vertical loads are required to safety use ice sheets. In this study, the authors indicate the theoretical values of the bearing capacity and the deflection of ice sheets under the condition of partial flooding, and compare with the experiments values.
Ice sheets in harbors,rivers,lakes and. ponds in cold regions are used for a variety of purpose. For example, tracks on the ice,roads for automobils,runways for airplanes ,footholds for the construction of structures.Using ice sheets,it is important to estimate the bearing capacity of an infinite ice sheet in order to ensure their safety.In this study,the authors show method to estimate the bearing capacity of an infinite ice sheets by graphs and charts. And compare with the bearing capacity under the condition of three types of loads.
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