Patent ID: 9533738
Date: 2017-01-03
CPC Classifications: B63B,F03D,F05B,Y02E

Claim:
1. A floating body structure that supports an object to be supported so that the object to be supported floats in the sea, comprising: a floating body section connected to a base end portion of the object to be supported, wherein the floating body section has a lid body made of steel, an outer pipe made of steel, and an inner pipe made of steel and provided inside the outer pipe, and the floating body section is hermetically sealed by the lid body in a state where at least a portion of a gap formed between an outer wall surface of the inner pipe and an inner wall surface of the outer pipe is filled with concrete or mortar, the inner pipe has a first joint portion that joins a plurality of steel pipes for inner pipe each having a predetermined length along a longitudinal direction of the floating body section, the outer pipe has a second joint portion that joins a plurality of steel pipes for outer pipe each having a predetermined length along with the longitudinal direction, and the first joint portion and the second joint portion are alternately disposed in the longitudinal direction.