Shaking Table Tests of Four-Bucket Jacket Foundation for Offshore Wind Turbines

As the offshore wind turbine foundation, the four-bucket jacket foundation has a large stiffness and the structure is difficult to be damaged under seismic load. Nevertheless, the saturated subsoil of the four-bucket jacket foundation tends to be liquefied under earthquake, which greatly affects the...

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Bibliographic Details
Published in:China ocean engineering 2022-12, Vol.36 (6), p.849-858
Main Authors: Ding, Hong-yan, Li, Jing-yi, Le, Cong-huan, Pan, Chen, Zhang, Pu-yang
Format: Article
Language:English
Subjects:
Coastal Sciences
Dynamic response
Earthquake damage
Earthquake loads
Earthquakes
Engineering
Fluid- and Aerodynamics
Liquefaction
Marine & Freshwater Sciences
Numerical and Computational Physics
Oceanography
Offshore
Offshore Engineering
Offshore operations
Original Paper
Sandy soils
Seismic activity
Seismic response
Shake table tests
Simulation
Soil
Soil analysis
Soil dynamics
Soil resistance
Stiffness
Subsoils
Turbine engines
Turbines
Wind power
Wind turbines
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Description
Summary:As the offshore wind turbine foundation, the four-bucket jacket foundation has a large stiffness and the structure is difficult to be damaged under seismic load. Nevertheless, the saturated subsoil of the four-bucket jacket foundation tends to be liquefied under earthquake, which greatly affects the safety of offshore wind turbine. Therefore, the seismic performance of four-bucket jacket foundation is mainly reflected in the anti-liquefaction capacity of foundation soil. In this paper, the liquefaction resistance of sandy soil of four-bucket jacket foundation for offshore wind turbine is studied. The liquefaction and dynamic response of sandy soil foundation of four-bucket jacket foundation under seismic load are obtained by carrying out the shaking table test, and the influence mechanism of four-bucket jacket foundation on the liquefaction resistance of sandy soil foundation is analyzed.
ISSN:0890-5487
2191-8945
DOI:10.1007/s13344-022-0075-y