海上风电五连筒导管架基础局部冲刷特性试验研究

贾沼霖; 张效旭; 练继建; 邱兆国; 郭新宇; 郭梦颖

doi:doi:10.19912/j.0254-0096.tynxb.2024-2100

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海上风电五连筒导管架基础局部冲刷特性试验研究

更新时间：2026-07-22

- 海上风电五连筒导管架基础局部冲刷特性试验研究
- Vol. 47, Issue 4, Pages: 240-247(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2024-2100
  CLC： TU475
- Online First：08 May 2026，
  
  Published：2026
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贾沼霖, 张效旭, 练继建, et al. 海上风电五连筒导管架基础局部冲刷特性试验研究[J]. 2026, 47(4): 240-247.
DOI：

贾沼霖, 张效旭, 练继建, et al. 海上风电五连筒导管架基础局部冲刷特性试验研究[J]. 2026, 47(4): 240-247. DOI： doi:10.19912/j.0254-0096.tynxb.2024-2100.

摘要

五连筒导管架基础是针对海南岛附近海域的复杂海况及15 MW以上装机容量需求

对复合筒型基础型式创新性改进提出的新型风电基础型式

在传力模式、允许压差、自浮稳性等方面进行优化

提升其对深水大装机容量风力机的适应性。依托海南某工程

结合五连筒导管架基础的结构特点和可能存在筒裙下沉不到位的情况

依据相似原理选取1∶80比尺模型

以不同来流角度、筒裙出露高度为变量条件设计模型试验

对五连筒导管架这一新型海上风电基础的局部冲刷特性进行研究。获得基础在不同来流角度和不同筒裙出露高度条件下的局部冲刷深度历时曲线、冲刷平衡后的局部地形图、冲刷坑形状及尺寸等试验结果

明确单向流作用下五连筒导管架基础的局部冲刷特性

并分析筒裙出露对冲刷结果的影响。

Abstract

The five-connected bucket foundation is an innovative modification of the composite bucket foundation

proposed to address the complex marine conditions near Hainan Island and the demand for wind turbines with a capacity of over 15 MW. It has been optimized in terms of load transfer mode

allowable pressure difference

and self-floating stability

enhancing its adaptability to deep-water and large-capacity wind turbines. Based on a project in Hainan

and considering the structural characteristics of the five-connected bucket foundation and the potential issue of the skirt not settling properly

a 1∶80 scale model was selected according to the principle of similarity. Model tests were designed with different incoming flow angles and skirt exposure heights as variable conditions to study the local scour characteristics of this new type of offshore wind foundation. The experimental results include the history curves of local scour depth under different flow angles and skirt exposure heights

the local topography after scour equilibrium

and the shape and size of the scour pit. The study clarifies the local scour characteristics of the five-connected bucket foundation under unidirectional flow and analyzes the impact of skirt exposure on the scour results.

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