Analysis of Grouted Connection in Offshore Wind Turbine Jacket Foundation
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Abstract
It is great theoretical and practical significance to carry out analysis of grouted connection in jacket foundation for understanding its mechanism of force transfer, ensuring safety performance of offshore wind turbine support structures and optimizing design of this part. In this study, DNV standard was firstly applied to conduct sensitivity analysis of parameters which affect performance of grouted connection. Then finite element software was used to simulate it and can effectively simulate the contact of grouts with wall of steel and grout's constitutive relationship. Finally, some inportant rules and conclusionts were drawn from parameter sensitivity analysis based on DNV standard. These conclusions facilitate a better understanding of mechanical characteristics of grouted connection in pre-piled jacket and help engineers to select the appropriate parameters for grouted connection design. Numerical simulation validates the reliability of grouted connection design.
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