| 摘要 |
<p>The present invention relates to a gravity offshore structure comprising: a hull including a bottom portion coming into contact with seabed, a plurality of sidewall portions extended from the bottom portion, and a containing tank formed by being surrounded by the bottom portion and the sidewall portions, having double sidewalls, and where at least a pair, facing each other among the sidewall portions, are formed in a double wall body structure; partitions dividing insides of the double sidewalls by being horizontally installed inside the double sidewalls; at least one penetration groove formed by penetrating the partitions; and particulate weight bodies having a greater specific gravity than water which is contained inside compartments through the penetration groove.</p> |
