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Date of Publication:2010-01-01

Journal:海洋工程

Issue:1

Page Number:31-35

ISSN No.:1005-9865

Abstract:As a new type of deep-water offshore foundation, suctional bucket foundation has been gradually used in the design and construction of offshore wind turbines. However, the research results of previous work principally focus on t he analysis of stability of single-bucket suctional foundation, and the behavior of bearing capacity and joint-work mechanism of multi-bucket suctional foundation have not been well understood, and need further studies to meet the increasing requirement of engineering practice. Based on the framework of FEM software ABAQUS, the three-dimensional numerical analysis for evaluating the bearing capacity behavior of tripod bucket suctional foundation is performed as a special case in this paper. Comparative results are given under vertical loading, horizontal loading and moment, respectively, to investigate effects of loading direction and bucket distance on the ultimate bearing capacity behavior. The corresponding results build up the base for analysis of bearing capacity behavior of multi-bucket suctional foundation under combined loadings.

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