Half lurking equation marine construction

摘要

A semi-submergible offshore structure is disclosed. A semi-submergible offshore structure according to an embodiment of the present invention includes a platform; A pontoon disposed below the platform and providing buoyancy to the platform; A column interposed between the platform and the pontoon, the column supporting the platform with respect to the pontoon; And a column load reduction unit disposed in the lateral direction of the column with respect to the column, the column load reduction unit extending in the vertical direction and reducing the environmental load due to the fluid flowing into the column.