深水海上风电三筒导管架基础受力及浮运分析

doi:10.19912/j.0254-0096.tynxb.2021-0471

太阳能学报 ›› 2022, Vol. 43 ›› Issue (11): 269-276.DOI: 10.19912/j.0254-0096.tynxb.2021-0471

深水海上风电三筒导管架基础受力及浮运分析

朱航^1,2, 李孟超³, 郭耀华^1,2, 杨旭^1,2, 王海军^1,2, 练继建^1,2

1.天津大学水利工程仿真与安全国家重点实验室,天津 300350;
2.天津大学建筑工程学院,天津 300350;
3.长江三峡集团福建能源投资有限公司,福州 350003

收稿日期:2021-04-30 出版日期:2022-11-28 发布日期:2023-05-28
通讯作者: 郭耀华（1986—）,男,博士、讲师,主要从事海上及陆上风电基础结构方面的研究。guoyaohua@tju.edu.cn
基金资助:
福建深远海海上风电机组基础设计施工关键技术研究项目（CTGFB/003-2018）; 国家自然科学基金（51909188）

MECHANICS AND FLOATING ANALYSIS OF THREE-BUCKET JACKET FOUNDATION FOR OFFSHORE WIND POWER IN DEEP WATER

Zhu Hang^1,2, Li Mengchao³, Guo Yaohua^1,2, Yang Xu^1,2, Wang Haijun^1,2, Lian Jijian^1,2

1. State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University,Tianjin 300350, China：
2. School of Civil Engineering, Tianjin University, Tianjin 300350, China：
3. Three Gorges Group Fujian Energy Investment Co., Ltd., Fuzhou 350003, China

Received:2021-04-30 Online:2022-11-28 Published:2023-05-28

摘要/Abstract

摘要： 以中国福建某较深海域风电场为背景,提出一种海上风电宽浅型三筒导管架基础结构,继而通过建立考虑分层土体的基础整体有限元模型,对分层土中宽浅型三筒导管架基础静动力特性及浮运稳性展开研究。研究结果表明,正常荷载作用下此基础结构法兰倾斜率为3.98‰,满足规范要求：极限荷载作用下,基础结构各部位应力满足要求;基础-塔筒-机组整体共振校核满足要求：基础可在4级风浪以内的海况下进行自浮远距离拖航浮运;等效疲劳荷载作用下,基础结构疲劳损伤满足要求。

关键词: 海洋技术, 海上风电, 基础, 多筒基础, 导管架, 自浮运输

Abstract: The wide and shallow three-bucket jacket foundation structure for offshore wind power was proposed based on a deep sea wind farm in Fujian, China. Then, the static and dynamic characteristics, floating stability of the wide and shallow three-bucket jacket foundation in layered soil were studied by establishing a foundation integral finite element model considering layered soil. The results show that the flange inclination rate of the foundation structure is 3.98‰ under normal load, which meets the requirements of the specifications. Under the ultimate load, the stress of each part of the foundation structure meets the requirements. The overall resonance check of foundation-tower-turbine meets the requirements： The foundation can be towed for long distance under the sea conditions within the wind and waves of level 4. Under the equivalent fatigue load, the fatigue damage of the foundation meets the requirements.

Key words: marine technology, offshore wind turbines, foundations, multi-bucket foundation, jacket, floating transportation

中图分类号:

TK81

朱航, 李孟超, 郭耀华, 杨旭, 王海军, 练继建. 深水海上风电三筒导管架基础受力及浮运分析[J]. 太阳能学报, 2022, 43(11): 269-276.

Zhu Hang, Li Mengchao, Guo Yaohua, Yang Xu, Wang Haijun, Lian Jijian. MECHANICS AND FLOATING ANALYSIS OF THREE-BUCKET JACKET FOUNDATION FOR OFFSHORE WIND POWER IN DEEP WATER[J]. Acta Energiae Solaris Sinica, 2022, 43(11): 269-276.

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深水海上风电三筒导管架基础受力及浮运分析

MECHANICS AND FLOATING ANALYSIS OF THREE-BUCKET JACKET FOUNDATION FOR OFFSHORE WIND POWER IN DEEP WATER

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