Shaking Table Tests of Four-Bucket Jacket Foundation for Offshore Wind Turbines |
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Authors: | Ding Hong-yan Li Jing-yi Le Cong-huan Pan Chen Zhang Pu-yang |
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Institution: | 1.State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin, 300072, China ;2.School of Civil Engineering, Tianjin University, Tianjin, 300072, China ; |
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Abstract: | 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. |
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