| 摘要 |
PROBLEM TO BE SOLVED: To provide a floating body structure capable of increasing the capacity for loaded freight and allowing the mounting work of longitudinal members to be easily carried out. SOLUTION: This structure is so composed that the multiple longitudinal members 6 are disposed at a predetermined interval along the vertical direction on the outside surfaces of side external plates 2 of the floating body 1 used for facilities for storing and extracting petroleum and having a hull-shaped form, and a straightening cover body 7 covering the multiple respective longitudinal members 6 mounted on the respective side external plates 2 is mounted.
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