A review of foundations of offshore wind energy convertors: Current status and future perspectives

Ki-Yong Oh, Woochul Nam, Moo Sung Ryu, Ji-Young Kim and Bogdan I. Epureanu

Renewable and Sustainable Energy Reviews, 2018, vol. 88, issue C, 16-36

Abstract: This paper reviews foundations for offshore wind energy convertors considering the significant growth of offshore wind energy since the early 2000s. The characteristics of various foundation types (i.e., gravity, pile, suction caisson, and float type) and the current status of field application are discussed. Moreover, the mechanical characteristics of soil are described in the sense that these characteristics including modulus, strength, damping, and modulus degradation of soil play critical roles for the design of offshore foundations. By using these mechanical properties of soil, theoretical studies to consider structure-soil interaction are classified (into equivalent spring models, distributed spring models, and continuous element models) and explained. Field and laboratory experiments on the response of structure embedded in soil to static and dynamic loads are discussed. Based on the review of previous studies, directions for future research and study on offshore wind turbine are suggested.

Keywords: Offshore foundations; Offshore wind energy convertors; Offshore wind turbines; Structure-soil interaction (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (32)

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DOI: 10.1016/j.rser.2018.02.005

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