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A framework for evaluating the bearing capacity of offshore wind power foundation under complex loadings
Zhang, Xiao-ling1; Liu, Jian-xiu1; Han, Yan2; Du, Xiu-Li1
2018-11-01
Source PublicationAPPLIED OCEAN RESEARCH
ISSN0141-1187
Volume80Pages:66-78
Corresponding AuthorZhang, Xiao-ling(zhangxiaoling31@163.com) ; Han, Yan(yhan@igsnrr.ac.cn)
AbstractOffshore wind power foundations are known to bear complex loadings, not only vertical loading V induced by self-weight, but also horizontal loadings H induced by wind, wave and current, and the bending loading M transferred from superstructure. In this paper a framework for evaluating the bearing capacity of the foundations is presened and the bearing characteristics of offshore wind power foundation under combined horizontal, vertical and bending loadings are analyzed. The bearing capacity of offshore wind power foundation under unidirectional horizontal, vertical and bending loadings is examined, and the relationship between the ultimate bearing capacity and the ratio of diameter to length of pile foundation is obtained. Based on the side-swipe method, the envelope of bearing capacity and failure mode of offshore wind power foundation in V-H, V-M, H-M loading space and V-H-M loading space are studied in details, and the parameter analysis of the envelope of foundation bearing capacity in different loading space are discussed. Finally, a simple and practical method is proposed to judge the stability of the offshore wind power and the seabed. A verification example reveals that the estimates of the presented framework shows good agreement with observations.
KeywordOffshore wind power foundation Envelope of bearing capacity Bearing performance Failure mode
DOI10.1016/j.apor.2018.08.019
WOS KeywordTURBINES
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51778020] ; Innovative Research Group Project of National Natural Science Foundation of China[51421005]
Funding OrganizationNational Natural Science Foundation of China ; Innovative Research Group Project of National Natural Science Foundation of China
WOS Research AreaEngineering ; Oceanography
WOS SubjectEngineering, Ocean ; Oceanography
WOS IDWOS:000448093800007
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52734
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Xiao-ling; Han, Yan
Affiliation1.Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xiao-ling,Liu, Jian-xiu,Han, Yan,et al. A framework for evaluating the bearing capacity of offshore wind power foundation under complex loadings[J]. APPLIED OCEAN RESEARCH,2018,80:66-78.
APA Zhang, Xiao-ling,Liu, Jian-xiu,Han, Yan,&Du, Xiu-Li.(2018).A framework for evaluating the bearing capacity of offshore wind power foundation under complex loadings.APPLIED OCEAN RESEARCH,80,66-78.
MLA Zhang, Xiao-ling,et al."A framework for evaluating the bearing capacity of offshore wind power foundation under complex loadings".APPLIED OCEAN RESEARCH 80(2018):66-78.
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