| 摘要 |
PROBLEM TO BE SOLVED: To prevent the fluctuation of a floating structure with keeping waves away from contacting a bottom surface of a pontoon by connecting the bottom surface of the pontoon with a cylindrical body to form a compressed air layer between the bottom surface of the cylindrical body and the pontoon, and the surface of the sea. SOLUTION: A marine floating structure 1 is provided below an upper structure 3 located above the surface of the sea 2. A cylindrical body 5 to be connected to the four circumferential sides of a bottom surface 4a is provided on the bottom surface 4a of a pontoon 4 so as to float the upper structure 3 on the sea. Since an opening 5a is formed at the lower end portion of the cylindrical body 5, sea water enters inside the cylindrical body 5 from the opening 5a when the marine floating structure 1 is floated on the surface of the sea 2, resulting in the cylindrical body 5 filled up with the sea water. Therefore, in this marine floating structure 1, air is supplied between the bottom surface 4a of the pontoon 4 and the surface of the sea in the cylindrical body 5 so as to form a compressed air layer 6 in the cylindrical body 5. Accordingly, the pontoon 4, and consequently the marine floating structure 1 itself can always maintain constant postures so as to prevent fluctuation.
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