吸力桶基础在阳江沙扒海上风电场施工中的应用  

Application of Suction Bucket Foundation in Yangjiang Shapa Offshore Wind Power Project

作　　者：李元松 侯瑛 叶绍其[2] 李昭宪 潘胜平[2] 张鑫 LI Yuansong;HOU Ying;YE Shaoqi;LI Zhaoxian;PAN Shengping;ZHANG Xin(School of Civil Engineering and Architecture,Wuhan Institute of Technology,Wuhan 430074,China;The 5th Engineering Co.,Ltd,China Raiway Major Bridge Engineering Group Co.,Ltd,Jiujiang 332001,China)

机构地区：[1]武汉工程大学土木工程与建筑学院,湖北武汉430074 [2]中铁大桥局集团第五工程有限公司,江西九江332001

出　　处：《武汉工程大学学报》2022年第5期545-550,共6页Journal of Wuhan Institute of Technology

基　　金：武汉工程大学第十三届研究生教育创新基金(CX2021133)。

摘　　要：以广东某海上风电场风机基础工程为背景,对导向架平台吸力桶基础的设计、施工控制技术进行系统研究。通过总结分析国内外文献,提出吸力桶基础在不同工况下贯入/顶升阻力、承载能力、结构强度与稳定性计算方法与计算公式;针对施工平台吸力桶临时性特点,确定计算参数、验算指标与验算标准;结合2个四桩导向架桩位工程地质环境条件,分析临界吸力、允许吸力、所需吸力与贯入深度之间的关系;进行贯入可行性和顶升回收能力评估,结果表明:应用吸力桶基础设计计算方法的合理性和有效性。Taking an offshore wind power project in Guangdong province as the background,we systematically investigated the design and construction control technology of jacket platform suction bucket foundation.By analyzing literature at home and abroad,the calculation methods and formulas were proposed for the penetration/jacking resistance,bearing capacity,structural strength,and stability of the suction bucket foundation under different working conditions.According to the temporary characteristics of the suction bucket on the construction platform,the calculation parameters,checking calculation indexes and checking calculation standards were determined.Combined with the engineering geological environment conditions of two four-pile jacket piles,the relationship between critical suction,allowable suction,required suction and penetration depth was analyzed.The feasibility of penetration and the jacking recovery capacity were assessed,and the results showed that the design and calculation methods of the suction bucket foundation are reasonable and effective.

关 键 词：吸力桶基础 负压沉贯 注水顶升 施工控制 工程应用 

分 类 号：TU432[建筑科学—岩土工程]