摘要
吸力锚基础作为浮式风力机系泊锚固的重要结构被广泛应用。文章对海上浮式风力机悬链线系泊吸力锚基础系缆点位置进行了研究,采用ABAQUS有限元软件进行数值模拟,通过分析结构荷载位移曲线、包络线以及土体位移等,判断吸力锚在分层土中的最佳系缆点位置。研究结果表明:系缆点在锚体偏下侧位置时,吸力锚受到土体约束作用较大,结构极限承载能力较大;而竖向荷载分量更易造成吸力锚失稳。在吸力锚系泊点设计时,须尽量将锚点位置设计在锚体下侧部位,并减少外荷载的竖向分量,以增加锚固系统的安全性。以上结论可为浮式风力机悬链线式系泊吸力锚基础的设计提供参考。
The position of the tie-cable point of the suction anchor foundation for catenary mooring of floating wind turbine is studied.The ABAQUS software is used for numerical simulation.The best position of suction anchor in stratified soil is studied by analyzing the simulation results of structural load displacement curve,envelope line and soil displacement map.The results show that when the tie-cable point is relatively lower,the soil is constrained and the structure limit bearing capacity is large;the vertical horizontal load component is unfavorable to the stability of suction anchor.When designing the anchorage point of suction anchor,the tie-cable point needs to be designed near the place of the lower part of the suction anchor,and minimize the vertical component of the external load,to increase the safety performance of the mooring system.
作者
范晓旭
曹淑刚
杨东辉
林燊
张浦阳
Fan Xiaoxu;Cao Shugang;Yang Donghui;Lin Shen;Zhang Puyang(Longyuan Power Group Co.,Ltd.,Beijing 100034,China;Longyuan(Beijing)New Energy Engineering Design&Research Institute Co.,Ltd.,Beijing 100034,China;Fujian Longyuan New Energy Co.,Ltd.,Fuzhou 350014,China;School of Civil Engineering and Architecture,Tianjin University,Tianjin 300350,China)
出处
《可再生能源》
北大核心
2025年第10期1346-1352,共7页
Renewable Energy Resources
基金
国家能源集团重点科技项目(GJNY-20-17,GJNY-22-13)
国家自然科学基金项目(42276028)
福建省科技重大专项计划(2022HZ028001)。
关键词
悬链线系泊
吸力锚
系缆点
承载性能
位移荷载曲线
catenary mooring
suction anchor
tie-cable point
bearing performance
displacement load curve
