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中文摘要：
应用DUT-1模型冰,针对冰对结构物的挤压作用力开展系列实验研究。选择半圆型防波堤和圆台结构作为实例,分析针对缺少计算冰力公式的复杂结构时,利用物理模拟发展冰作用力计算式和考虑结构物相互之间的遮蔽作用。通过试验结果,给出了半圆型防波堤冰荷载的试验统计计算式及冰破坏模式随水位变化规律;同时分析得出了圆台结构之间的几何遮蔽系数和冰力遮蔽系数计算式,表明在大面积冰排作用下,前一圆台结构受到的冰力远大于后一圆台所受到的冰力,其遮蔽效应非常明显。
英文摘要：
Application of DUT-1 model ice simulation technology,the series of test studies on the crashing forces produced by the interaction between ice and structures were conducted.Taking semi-circular breakwaters and cone frustums as examples,it was developed the calculation methods of ice force and was considered the sheltering action of structure with other or others by physical model in the cases of lack of calculation formula for ice forces on the complex structures.From the test results,the statistical formula for calculating ice force acting on the Semi-Circular Breakwaters and the rule of failure forms with variation of water level were given.In addition,calculation formulas of the geometry sheltering coefficient and sheltering coefficient of ice force were also present,and the result showed that ice force acting on the previous cone frustum was much greater than that of the latter cone frustum,sheltering effect was very obvious.
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