| 摘要 |
Disclosed is an offshore wind power plant having such advantages that the offshore wind power plant can be easily and safely assembled on the sea, maintenance can be facilitated, and safety can be ensured at the time of strong wind or a surge. An offshore wind power plant comprises a floating body (2), a deck (3) which is installed above the floating body (2), mooring cables (4, 4,...) connected to the deck (3), a tower (5) installed upright on the deck (3), and a naselle (6) and a plurality of wind turbine blades (7, 7,...) provided at the top of the tower (5), wherein the floating body (2) has a spar-type floating structure with a bottomed hollow portion opened at the upper end thereof in which precast cylindrical bodies (10-14) made of concrete are stacked multiple stages in the height direction and fastened tightly by means of a PC steel material and integrated, the tower (5) can be elevated or lowered freely by a tower hoist (8) provided on the deck (3) during construction, and can be housed in the floating body (2). |
