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Tension behavior prediction of flexible pipelines in shallow water

机译：浅水挠性管道的张力行为预测

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摘要

A new type of marine flexible pipeline is designed for applications in shallow water at a reduced cost. To investigate the mechanical behavior of the flexible pipeline and to improve the structural design, an analytical model to predict the tension behavior of the flexible pipeline is proposed in which the effect of radial deformation is given more attention. The governing equations for the flexible pipeline are derived, and their solution provides the tension load-deformation relationship. Tension tests of the flexible pipeline were carried out, and there was a good agreement between the analytical model and the experimental results. In addition, a parametric study is conducted to understand the effect of the radial stiffness on the tension stiffness. Finally, suggestions are given for the design of the radial stiffness and the tension stiffness of the flexible pipeline for shallow water applications.
机译：一种新型的海上挠性管道设计用于降低成本的浅水应用。为了研究柔性管道的力学行为并改进结构设计，提出了一种预测柔性管道拉伸行为的分析模型，其中对径向变形的影响给予了更多的关注。推导了挠性管道的控制方程，其解提供了拉力荷载-变形关系。进行了挠性管道的拉伸试验，分析模型与实验结果吻合良好。另外，进行了参数研究以了解径向刚度对拉伸刚度的影响。最后，针对浅水应用的挠性管道的径向刚度和拉伸刚度的设计提出了建议。

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  • 来源
    《Ocean Engineering》 |2013年第15期|201-207|共7页
  • 作者

    Qianjin Yue; Qingzhen Lu; Jun Yan; Jiexin Zheng; Andrew Palmer;

  • 作者单位

    State Key Laboratory of Structural Analysis of Industrial Equipment, Department of Engineering Mechanics. Dalian University of Technology, Dalian, China;

    State Key Laboratory of Structural Analysis of Industrial Equipment, Department of Engineering Mechanics. Dalian University of Technology, Dalian, China;

    State Key Laboratory of Structural Analysis of Industrial Equipment, Department of Engineering Mechanics. Dalian University of Technology, Dalian, China;

    Department of Civil and Environmental Engineering, National University of Singapore, Singapore;

    Department of Civil and Environmental Engineering, National University of Singapore, Singapore;

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

    flexible pipeline; tension behavior; analytical model; radial stiffness; tension test;

    机译：灵活的管道;紧张行为;分析模型径向刚度张力测试;

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