: Spin Fin pile is used as foundation for offshore structures. Spin Fin piles are traditional pipe piles fitted with flat, steel
plates (“fins”) attached at a slight angle over the lower or upper few feet of the pipe pile. The behavior of spin fin piles is difficult
to explain using simple pile–soil theories or 2 dimensional numerical analyses because of the complicated geometry of the piles.
When driven, these piles rotate into the ground and achieve pile capacities far in excess of conventional piles. The strength is
derived from the pile tips end bearing and piles frictional resistance. Because of their load deformation characteristics, these
piles allow substantial pile overload deformation without catastrophic failure even after repeated loading. The screw-shaped tip
on the pile and friction from the pile shaft give the spin fin pile its strength
