OFFSHORE CONSTRUCTION

摘要

According to an embodiment of the present invention, an offshore structure is provided. The offshore structure, according to an embodiment of the present invention, comprises: a hull which has a through hole in a deck; a tower part which is vertically coupled to the hull and is moved along the through hole; a cutoff part which is hinged to the deck and opens and closes the through hole; and a wire part of which one end is connected to the cutoff part and the other end is connected to the tower part. When the tower part ascends or descends, the cutoff part is rotated to open and close the through hole.