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不同类型近破波作用下沉箱式防波堤的振动-提离摇摆运动

王元战 周枝荣 杨海东

王元战, 周枝荣, 杨海东. 不同类型近破波作用下沉箱式防波堤的振动-提离摇摆运动[J]. 应用数学和力学, 2005, 26(5): 534-540.
引用本文: 王元战, 周枝荣, 杨海东. 不同类型近破波作用下沉箱式防波堤的振动-提离摇摆运动[J]. 应用数学和力学, 2005, 26(5): 534-540.
WANG Yuan-zhan, ZHOU Zhi-rong, YANG Hai-dong. Vibrating-Uplift Rocking Motion of Caisson Breakwaters Under Various Breaking Wave Impact Forces[J]. Applied Mathematics and Mechanics, 2005, 26(5): 534-540.
Citation: WANG Yuan-zhan, ZHOU Zhi-rong, YANG Hai-dong. Vibrating-Uplift Rocking Motion of Caisson Breakwaters Under Various Breaking Wave Impact Forces[J]. Applied Mathematics and Mechanics, 2005, 26(5): 534-540.

不同类型近破波作用下沉箱式防波堤的振动-提离摇摆运动

基金项目: 国家自然科学基金资助项目(50279027);天津市科技攻关基金资助项目(043114711)
详细信息
    作者简介:

    王元战(1958- ),男,天津市人,教授,博士(联系人.Tel/Fax:+86-22-27401337;E-mail:yzwang@public.tpt.tj.cn).

  • 中图分类号: U656

Vibrating-Uplift Rocking Motion of Caisson Breakwaters Under Various Breaking Wave Impact Forces

  • 摘要: 倾覆失稳是沉箱式防波堤的主要破坏形式之一,是稳定性验算的基本内容.采用质量-弹簧-阻尼器集总参数模型模拟沉箱式防波堤在单峰值冲击型、双峰值冲击型和冲击-振荡衰减型等不同类型近破波作用下的振动-提离摇摆运动过程,研究了不同类型近破波和沉箱的提离摇摆运动对沉箱式防波堤动力响应的影响.结果表明,在近破波冲击力幅值相同的条件下,近破波类型对沉箱的动力响应影响很大;提离摇摆运动虽然会使沉箱的转角幅值增大,但可有效地减小沉箱的位移、滑移力和倾覆力矩幅值.研究成果为允许沉箱式防波堤出现提离摇摆运动的设计概念提供了理论基础.
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出版历程
  • 收稿日期:  2003-09-25
  • 修回日期:  2005-01-18
  • 刊出日期:  2005-05-15

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