The present invention relates to a floating support structure (1) provided with a main floater (2) and with a heave plate (3). Heave plate (3) comprises a section varying with depth. Furthermore, heave plate (3) has a minimum horizontal section Sd1 greater than horizontal section Sc of main floater (2).

The present invention is a floating support structure (1) provided with a main floater (2) and a heave plate (3). Heave plate (3) comprises a single row of orifices (4), substantially parallel to the periphery of the heave plate.

The present invention is a floating support structure (1) provided with a main floater (2) and a heave plate (3). Heave plate (3) comprises a single row of orifices (4), substantially parallel to the periphery of the heave plate.

A floating wind turbine farm 230 includes a plurality of anchors 20/202/204/206/208 fixed in or on a bed of a body of water. A plurality of floating wind turbine platforms 10 is deployed in the body of water, each of the floating wind turbine platforms 10 having one or more mooring lines 200/212 that extend between, and are attached to, the floating wind turbine platform 10 and one of the anchors 20/202/204/206/208. Each anchor 20/202/204/206/208 is configured to receive two or more mooring lines 200/212, wherein each of the mooring lines 200/212 are from a different one of the plurality of floating wind turbine platforms 10.

A floating wind turbine farm 230 includes a plurality of anchors 20/202/204/206/208 fixed in or on a bed of a body of water. A plurality of floating wind turbine platforms 10 is deployed in the body of water, each of the floating wind turbine platforms 10 having one or more mooring lines 200/212 that extend between, and are attached to, the floating wind turbine platform 10 and one of the anchors 20/202/204/206/208. Each anchor 20/202/204/206/208 is configured to receive two or more mooring lines 200/212, wherein each of the mooring lines 200/212 are from a different one of the plurality of floating wind turbine platforms 10.

A method of assembling a floating wind turbine platform includes forming a base assembly of the floating wind turbine platform in either a cofferdam or a graving dock built in water having a first depth. The base assembly includes a keystone and a plurality of buoyant bottom beams extending radially outward of the keystone, wherein longitudinal axes of each of the plurality of bottom beams are coplanar. The cofferdam or the graving dock is flooded and the assembled base assembly is floated to an assembly area in water having a second depth. A center column and a plurality of outer columns are assembled or formed on the base assembly, a tower is assembled or formed on the center column, and a wind turbine is assembled on the tower, thereby defining the floating wind turbine platform.

A method of assembling a floating wind turbine platform includes forming a base assembly of the floating wind turbine platform in either a cofferdam or a graving dock built in water having a first depth. The base assembly includes a keystone and a plurality of buoyant bottom beams extending radially outward of the keystone, wherein longitudinal axes of each of the plurality of bottom beams are coplanar. The cofferdam or the graving dock is flooded and the assembled base assembly is floated to an assembly area in water having a second depth. A center column and a plurality of outer columns are assembled or formed on the base assembly, a tower is assembled or formed on the center column, and a wind turbine is assembled on the tower, thereby defining the floating wind turbine platform.

A method of assembling a floating wind turbine platform includes assembling a keystone having a hollow central cavity from pre-formed concrete sections, and assembling a plurality of buoyant bottom beams from pre-formed concrete sections. Each bottom beam is attached to, and extends radially outward of the keystone to define a base assembly. Each buoyant bottom beam includes a ballast chamber therein. The keystone is post-tensioned to each bottom beam along a longitudinal axis thereof. A center column is assembled upwardly and perpendicularly on the base assembly from pre-formed sections of the center column, the outer columns are assembled on a distal end of each bottom beam from pre-formed sections of the outer columns, and the center column and the outer columns are longitudinally post-tensioned to the base assembly. A tower is assembled on the center column from pre-formed sections, and a wind turbine is assembled on the tower.

A method of assembling a floating wind turbine platform includes assembling a keystone having a hollow central cavity from pre-formed concrete sections, and assembling a plurality of buoyant bottom beams from pre-formed concrete sections. Each bottom beam is attached to, and extends radially outward of the keystone to define a base assembly. Each buoyant bottom beam includes a ballast chamber therein. The keystone is post-tensioned to each bottom beam along a longitudinal axis thereof. A center column is assembled upwardly and perpendicularly on the base assembly from pre-formed sections of the center column, the outer columns are assembled on a distal end of each bottom beam from pre-formed sections of the outer columns, and the center column and the outer columns are longitudinally post-tensioned to the base assembly. A tower is assembled on the center column from pre-formed sections, and a wind turbine is assembled on the tower.

Modular structure for protecting an offshore vessel in a body of water from forces of ice features comprising a protective harbor wall, a flotation support, a pile, and a telescoping connection. The telescoping connection is operatively coupled to the protective harbor wall and the flotation support and constructed and arranged to axially move the protective harbor wall between a retracted position and a raised position. The protective harbor wall is constructed and arranged to enclose a harbor space and to counteract the forces of ice features. The flotation support supports the protective harbor wall and is constructed and arranged to change net buoyancy of the modular protective structure to submerge the structure such that the flotation support is positioned on a seabed. The pile is constructed and arranged to be partially disposed in the seabed to maintain the position of the flotation support on the seabed.