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桁架式桩腿的方型桩靴结构设计研究
Research on structural design of square spudcans for truss spudleg
- DOI:
- 作者:
- 李梦伟, 王东, 李成君, 孙雪荣
LI Meng-wei, WANG Dong, LI Cheng-jun, SUN Xue-rong
- 作者单位:
- 中国船舶及海洋工程设计研究院，上海 200011
Marine Design and Research Institute of China, Shanghai 200011, China
- 关键词:
- 方型桩靴;桁架式桩腿;风电安装平台;三角形箱型水密结构
square spudcans; truss spudleg; wind turbine installation platform; triangular box watertight structure
- 摘要:
- 针对风电安装平台的结构稳定性问题，本文提出了小肘板结构、大肘板结构、三角形浮箱水密结构3种桁架式方型桩靴复合型结构，采用典型设计载荷工况对3种桩靴结构进行强度分析研究。结果表明：较小肘板结构而言，后两种桩靴结构强度更好；大肘板结构与三角形浮箱水密结构应力水平及变形相当，但后者密封性更好，实际应用中能有效避免淤泥堆积引起的应力集中，延长使用寿命。因此，采用三角形浮箱水密复合型桩靴结构更能满足风电安装平台的结构设计需求。
For the wind stability problem of the platform structure, this article proposes three kinds of truss type square pile boot compound structures, which includes small bracket structure, large bracket structure and triangular floating box water-tight structure. The strength of the three kinds of spudcan structures are used to analyze and research under typical design load conditions. The results show that: The strength of the latter two structures is better than that of the smaller bracket structure. The stress level and deformation of the large bracket structure are similar to the water-tight structure of the triangular floating tank, but the latter has better sealing performance, which can effectively avoid the stress concentration caused by silt accumulation in practical application and prolong the service life. Therefore, using triangular floating box water-tight composite spud can structure can better meet the structural design requirements of wind power installation platform.
2023,45(2): 96-102 收稿日期：2021-10-09
DOI：10.3404/j.issn.1672-7649.2023.02.018
分类号：U663.2
作者简介：李梦伟(1993-),男,工程师,主要从事船舶结构设计研究工作
