Author(s): Xuguang Chen

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Keywords: Offshore wind power; Pile scour; Multidisciplinary research; Scour prediction; Soil skeleton

Abstract: Offshore wind power pile scour problem throughout the whole process of offshore wind power, and marine engineering foundation scour disaster prevention and control research involves marine engineering, geotechnical engineering, sediment dynamics and other disciplines, the use of a single field of theory and research methods can not fundamentally solve the problem of scouring disaster, so we need to be from a multidisciplinary cross-disciplinary point of view, the use of a comprehensive multidisciplinary background of the means of research on the scour problem to carry out an in-depth investigation. This study intends to take the scouring problem in the whole process of offshore wind power pile foundation design-construction-operation and maintenance as the research object, and based on the in-depth examination of different states of the soil body during the scouring process of the seabed, the following research is carried out. (1) Scour prediction: the key soil skeleton parameter affecting sediment erosion is identified as pore scale through modeling test, and the relative densities of fine sands are selected as test variables to obtain the prediction formulas of critical initiation current velocity of sediment and scour depth of pile foundation under different soil skeleton pore structures.

DOI:

Year: 2023