Study on Stability of Suction Anchor in Deep Sea due to Horizontal Loading

张其一; 王青华; 栾茂田

doi:10.13409/j.cnki.jdpme.2011.04.014

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Study on Stability of Suction Anchor in Deep Sea due to Horizontal Loading

更新时间：2025-12-11

- Study on Stability of Suction Anchor in Deep Sea due to Horizontal Loading
- Vol. 31, Issue 4, Pages: 370-376(2011)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2011.04.014
  CLC： 754
- Published：2011
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[1]张其一,王青华,栾茂田.水平荷载情况下深海吸力锚稳定性研究[J].防灾减灾工程学报,2011,31(04):370-376.

张其一, 王青华, 栾茂田. Study on Stability of Suction Anchor in Deep Sea due to Horizontal Loading[J]. 2011, 31(4): 370-376.
[1]张其一,王青华,栾茂田.水平荷载情况下深海吸力锚稳定性研究[J].防灾减灾工程学报,2011,31(04):370-376. DOI： 10.13409/j.cnki.jdpme.2011.04.014.

张其一, 王青华, 栾茂田. Study on Stability of Suction Anchor in Deep Sea due to Horizontal Loading[J]. 2011, 31(4): 370-376. DOI： 10.13409/j.cnki.jdpme.2011.04.014.

摘要

深海吸力锚基础的极限承载能力是海洋工程结构设计中的一个关键问题

达到极限平衡状态时

吸力锚的极限承载能力与其失稳模式密切相关。本文基于Cou lom b摩擦对原理

给出了一种精确模拟吸力锚承载能力的有限元模型。在该数值模型基础上

利用通用有限元分析软件ABAQU S

研究了系泊点位置、长径比对吸力锚承载能力的影响

并给出了深海吸力锚失稳模式。研究结果表明

系泊点位置极大地影响着吸力锚的极限承载力和稳定性

系泊点位置的变化

会导致吸力锚出现前倾转动、平移滑动和后仰转动等的失稳模式。

Abstract

Suction foundation is widely used in deep sea and its ultimate bearing capacity is a key technology in offshore engineering practice

and its ultimate bearing capacity is closely related to failure modes of suction anchor at limit equilibrium state.Based on Coulomb friction theory

an exact finite element model is presented in this paper.On the basis of this FEM model

by use of the finite element analysis software ABAQUS

the effect of mooring point and aspect ratio of suction anchor on bearing capacity is researched in detail.The results shows that the ultimate bearing capacity and stability of suction anchor is affected vastly by the position of mooring point

and the variation of mooring point on suction anchor can lead to different failure modes including forward-tilted rotation failure mode

translation slip failure mode and backward-tilted rotation failure mode.

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references

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Spar平台吸力式基础极限承载特性数值分析 [J]. 王志,杜守继,王德禹. 海洋工程 . 2009(03)

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