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Shear Strength of Yellow River Estuary Soil Solidified by Using All-Solid-Waste Binder in Protecting Foundations of Offshore Wind Turbines
Lijun Yan, Junjie Yang and Yalei Wu
A novel method for fluidized solidified soil protection, known as all-solid-waste binder fluidized solidified soil protection, is proposed to improve the anti-scour ability of soil in the foundations of offshore wind power turbines. The shear strength is used to evaluate the anti-scour ability of the fluidized solidified soil. Direct shear tests are conducted in the laboratory to study the effects of the vertical pressure, cement-water ratio, curing age, curing environment and mix proportions on the shear strength of the prepared fluidized solidified soil. Equations are derived for the anti-scour rate and shear strength, and the limiting anti-scour rate of the prepared fluidized solidified soil is determined. These results provide a theoretical basis for erosion protecting fluidized solidified soil in the foundations of offshore wind power turbines.
Keywords: shear strength, Yellow River Estuary soil, all-solid-waste binder, fluidized solidified soil, offshore wind turbines
DOI: 10.32908/JMEE.v11.2023060501