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REFINED BENDING FAILURE MODEL FOR THE LEVEL ICE ACTING ON AN INCLINED OBSTACLE

机译:倾斜障碍物上的水平冰的改进的弯曲失效模型

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摘要

The classical ice technology problem of bending and edge failure of the level ice field approaching a rigid obstacle with an inclined front face is considered in a refined setting. The problem is analyzed in quasi-static setting. The exact model with the longitudinal-transverse bending equation for a beam on an elastic foundation is utilized for the ice floe deformation and failure. Semi-analytical solutions are found and compared with known approximations. The corresponding calculation within the refined model demonstrates the increasing loading on the obstacle, as well as the length of broken ice fragment, in comparison with earlier published results.
机译:在精致的环境中考虑了经典的冰技术问题,即在接近具有倾斜正面的刚性障碍的情况下,水平冰场的弯曲和边缘破坏。在准静态设置中分析问题。利用弹性地基上的梁的纵向-横向弯曲方程的精确模型可用于浮冰的变形和破坏。找到半解析解并将其与已知近似值进行比较。与较早发表的结果相比,精炼模型中的相应计算证明了障碍物上的载荷不断增加,以及碎冰碎片的长度。

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