自升式平台的桩基刚度对自由振动影响的研究
자승식평태적장기강도대자유진동영향적연구
Research on free vibration influence of pile foundation stiffness for self-elevating drilling units
  • 万方数据
    船舶 선박
    SHIP & BOAT
    2013年 5期 36-38,45 ,共4页

    孙雪荣%闻静

    손설영%문정

    抗剪强度%有效重度%承载力%自由振动 抗剪彊度%有效重度%承載力%自由振動
    항전강도%유효중도%승재력%자유진동
    shear strength%effective density%soil capacity%free vibration
    采用SNAME直接简化计算法，对某自升式平台的桩基刚度以及桩靴与地基相互作用的刚度进行直接计算，并探讨了桩基刚度对平台自由振动的影响，从而实现前期设计阶段平台总强度设计和辅助生产设计的目的。
    채용SNAME직접간화계산법，대모자승식평태적장기강도이급장화여지기상호작용적강도진행직접계산，병탐토료장기강도대평태자유진동적영향，종이실현전기설계계단평태총강도설계화보조생산설계적목적。
    By adopting SNAME direct simplification method ,this paper directly calculates pile foundation stiffness and interaction stiffness between pile shoe and foundation for a self-evaluating drilling unit ,and discusses the influence of foundation stiffness on its free vibration . Thereby it can realize the overall strength design of the platform during the preliminary design stage and assist the production design.
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