STUDY ON PENETRATION TEST OF MULTI-BUCKET FOUNDATION OF OFFSHORE WIND POWER BOOSTER STATION

Liu Xianyu; Wang Wei; Dong Zhiyan; Zhao Baoxiang; Chen Li; Liu Duoya

doi:10.19912/j.0254-0096.tynxb.2024-2078

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (3) : 439-446. DOI: 10.19912/j.0254-0096.tynxb.2024-2078

STUDY ON PENETRATION TEST OF MULTI-BUCKET FOUNDATION OF OFFSHORE WIND POWER BOOSTER STATION

Liu Xianyu¹, Wang Wei¹, Dong Zhiyan², Zhao Baoxiang¹, Chen Li¹, Liu Duoya²

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Abstract

This paper conducts a physical model experimental study on the penetration resistance of the multi-bucket foundation of an offshore wind power booster station during installation and construction and the leveling process after the inclination is generated. Two different penetration depths are set for the foundation structure： the foundation structure sinks into place by its own weight and the foundation structure sinks to 2/3 of the height of the bucket by suction. The leveling process under two different penetration depths with structure inclinations of 1°, 2°, and 3° was studied, and the applicability of the leveling strategy and the changing rules of the internal pressure and vertical displacement of the barrel foundation during the leveling process were analyzed. The test results show that accurate selection of suction value is the key to successful leveling. If the suction value is too small, the penetration rate of the bucket foundation will be seriously reduced and a soil plug will be formed. If the suction value is too large, seepage failure will easily occur, leading to failure of the installation process. In the actual leveling process, it is necessary to select appropriate leveling strategies according to different penetration depths and inclination states.

Key words

offshore wind turbines / booster / pile-soil interaction / penetration depth

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Liu Xianyu, Wang Wei, Dong Zhiyan, Zhao Baoxiang, Chen Li, Liu Duoya. STUDY ON PENETRATION TEST OF MULTI-BUCKET FOUNDATION OF OFFSHORE WIND POWER BOOSTER STATION[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 439-446 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2078

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