Marine structure

A marine structure comprising a base which is intended to be supported by the sea-bed and foundation means projecting downwardly from the base, the foundation means being formed as an integral unit with the base and having a length which enables the foundation means to be pressed down into the sea-bed to permit layers of sea-bed soil to cooperate directly with the foundation means to support the marine structure in position on the sea-bed, the foundation means comprising wall means and pile means, said wall means comprising a plurality of wall elements projecting downwardly from said base, at least one of said wall elements extending along the periphery of said foundation means, and said pile means comprising a plurality of downwardly extending piles, said piles being located adjacent to and on opposite sides of said peripheral wall element and distributed along said peripheral wall element and being constructed and arranged such that the horizontal and vertical loads are mainly carried by said pile means when said marine structure is installed on a sea-bed.