Suction caisson is a type of floor foundation for the offshore structures that is also called suction pile, bucket foundation, suction anchor, or sometimes ridge foundation depending on its application. In two past decades, this type of foundation has been widely used a
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Suction caisson is a type of floor foundation for the offshore structures that is also called suction pile, bucket foundation, suction anchor, or sometimes ridge foundation depending on its application. In two past decades, this type of foundation has been widely used around the world as the fixed offshore foundation, anchor of the floating platforms, as well as the foundation of other marine structures such as the offshore wind turbines. Suction caisson is a metal (or sometimes concrete) hollow cylinder that is open from its bellow while it is top is being closed by flat or dome plates. This type of caisson is called suction caisson mainly because its installation is done by suctioning their water outside after drainage. In this research, numerically study the effective factors on the pullout behavior of the suction caissons. The analyses conducted in two-dimensional form on the drainage condition on clay soil. The results of the analysis show that the strength parameters of the soil are significantly effective on the pullout capacity of the suction caisson.
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