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首页> 外文期刊>International Journal of Offshore and Polar Engineering >Ice Forces on Jack-up Legs due to Ice Crushing
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Ice Forces on Jack-up Legs due to Ice Crushing

机译：碎冰导致自升式腿上的冰势

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摘要

To study ice forces on jack-up legs, a series of model tests were conducted to compare ice forces on two cylindrical indenters of the same diameter, one of which has gear teeth on both sides scaled from a prototype jack-up leg, while the other has no gear teeth. Results of the model tests indicate that, because the geometrical dimensions of the gear teeth are very small in comparison to the diameter of the jack-up indenter, crushing ice forces on the jack-up indenter vary slightly when the angle between the ice-moving direction and the gear teeth direction changes, and that the gear teeth do not increase the magnitude of crushing ice force significantly. Based on the model test results and subsequent analysis, a method for calculating crushing ice force on jack-up legs is proposed, and the application of the spectral model for continuous crushing ice forces on cylindrical legs to jack-up legs in the Bohai Sea is discussed.
机译：为了研究自升式支腿上的冰压力，进行了一系列模型测试，以比较两个相同直径的圆柱压头上的冰力，其中一个压头的两侧都从原型自升式支腿上缩放了齿轮齿，而其他没有齿轮齿。模型测试的结果表明，由于齿轮齿的几何尺寸与自升式压头的直径相比很小，因此当冰行进之间的夹角变化时，自升式压头上的碎冰力会略有变化方向和齿轮齿方向改变，并且齿轮齿不会显着增加碎冰力的大小。根据模型试验结果和后续分析，提出了一种计算自升式腿压碎冰力的方法，并将频谱模型连续施加于圆柱腿上的压碎冰力到渤海的自升压腿上是可行的。讨论过。

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  • 作者

    Yihe Wang; Qianjin Yue; Ning Xu; Dayong Zhang;

  • 作者单位

    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology Dalian, Liaoning, China;

    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology Dalian, Liaoning, China;

    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology Dalian, Liaoning, China;

    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology Dalian, Liaoning, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Jack-up leg; crushing ice force; spectral model; model test;

    机译：抬高腿碎冰力光谱模型模型测试;

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