漂浮式海上风电浮式基础结构安全性评估

张瑞刚; 孙海涛; 雷航; 刘河生; 景玮钰

doi:10.19666/j.rlfd.202507064

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漂浮式海上风电浮式基础结构安全性评估

退役风光设备资源化利用专题 | 更新时间：2026-03-18

- 漂浮式海上风电浮式基础结构安全性评估
- 漂浮式海上风电浮式基础结构安全性评估
- 热力发电 2026年55卷第1期页码：56-64
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
  
  众创/研究开发基金项目（TQ-24-TYK06）~~
- DOI：10.19666/j.rlfd.202507064
  中图分类号： TM614;P752;TU476
- 纸质出版：2026
- 稿件说明：
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[1]张瑞刚,孙海涛,雷航,等.漂浮式海上风电浮式基础结构安全性评估[J].热力发电,2026,55(01):56-64.
[1]张瑞刚,孙海涛,雷航,等.漂浮式海上风电浮式基础结构安全性评估[J].热力发电,2026,55(01):56-64. DOI： 10.19666/j.rlfd.202507064.

DOI：10.19666/j.rlfd.202507064.

摘要

聚焦漂浮式风电机组三立柱浮式基础的结构安全性，开展稳性、极限强度及疲劳强度的系统性评估研究，采用SESAM软件系列模块，通过建立全尺寸有限元模型，结合相关规范对浮式基础进行完整稳性与破舱稳性分析。基于不同浪向、波幅和周期的载荷工况进行极限强度分析，发现结构最大应力集中于浮箱与立柱连接部位，但整体应力水平在设计抗力范围内；关键连接区域所有校核点的疲劳损伤度均小于1，满足设计寿命要求。该浮式基础结构在稳性、极限强度和疲劳强度方面均符合规范标准，为深远海漂浮式风电工程应用提供了重要安全依据，也为同类项目的安全性评估提供了方法与指导。

Abstract

Focusing on the structural safety of a three-column floating foundation for floating wind turbines

this study systematically assesses its stability

ultimate strength

and fatigue strength. A full-scale finite element model is established using the SESAM software suite. Intact and damaged stability analysis is conducted according to relevant codes. The result indicates that all parameters comply with regulatory requirements and demonstrate excellent anti-overturning capability. In the ultimate strength analysis

based on load conditions considering various wave directions

amplitudes

and periods

it is found that the maximum structural stress concentration occurs at the connections between the buoyancy tanks and columns. Nevertheless

the overall stress levels remain within the design resistance limits. Employing the hotspot stress approach

fatigue strength assessment of critical connection areas shows that the fatigue damage at all checkpoints is less than 1

satisfying the design life requirements. The floating foundation structure meets all applicable code standards for stability

ultimate strength

and fatigue strength. Therefore

the research provides a significant safety basis for the engineering application of floating wind turbines in deep-sea environments. It also offers valuable methodology and guidance for safety assessments of similar projects.

关键词

Keywords

references

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