Chapter
May 14, 2014
Bearing Capacity of the High-Rise Pile Cap Foundation for Offshore Wind Turbines
Authors: Wen-Gang Qi, Jing-Kui Tian, Hong-You Zheng, Hai-Yan Wang, Jing Yang, Guang-Ling He, and Fu-Ping GaoAuthor Affiliations
Publication: Sustainable Development of Critical Infrastructure
Abstract
A proper foundation design is crucial for the structural stability of offshore wind turbines (OWT) in the severe ocean environments. As one of the typical foundation types for OWT, the high-rise pile cap foundation has been utilized in wind farms of China. In this study, a 3-dimensional finite element model for simulating the pile-soil interaction subjected to multi-axis complex loads is proposed and verified with existing experimental data. The bearing capacity of the high-rise pile cap foundation under various ultimate limit state (ULS) conditions is investigated. Local scour usually occurs around the pile and significantly reduces the bearing capacity of the foundation. Numerical simulation shows that scour could amplify the lateral displacement and tilt of the foundation.
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Published In
Sustainable Development of Critical Infrastructure
Pages: 413 - 420
Copyright
© 2014 American Society of Civil Engineers.
History
Published online: May 14, 2014
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ASCE Technical Topics:
- Coasts, oceans, ports, and waterways engineering
- Energy engineering
- Energy sources (by type)
- Engineering fundamentals
- Engines
- Equipment and machinery
- Finite element method
- Foundation design
- Foundations
- Geotechnical engineering
- Load bearing capacity
- Machine foundations
- Methodology (by type)
- Numerical methods
- Ocean engineering
- Offshore structures
- Pile foundations
- Renewable energy
- Turbines
- Wind power
Authors
Affiliations
Wen-Gang Qi
Institute of Mechanics, Chinese Academy of Sciences, Beijing, China
Jing-Kui Tian
North China Power Engineering Co., Ltd. of China Power Engineering Consulting Group, Beijing, China
Hong-You Zheng
North China Power Engineering Co., Ltd. of China Power Engineering Consulting Group, Beijing, China
Hai-Yan Wang
North China Power Engineering Co., Ltd. of China Power Engineering Consulting Group, Beijing, China
Jing Yang
North China Power Engineering Co., Ltd. of China Power Engineering Consulting Group, Beijing, China
Guang-Ling He
North China Power Engineering Co., Ltd. of China Power Engineering Consulting Group, Beijing, China
Fu-Ping Gao
Institute of Mechanics, Chinese Academy of Sciences, Beijing, China
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