| 摘要 |
PROBLEM TO BE SOLVED: To provide a segment joint, by which a segment is assembled easily and workhours can be shortened. SOLUTION: In the segment joint 1 composed of a pair of flange sections 12 and a connecting section 11 connecting a pair of the flange sections 12, the flange sections 12 are formed in plate bodies warped in arcuate shapes, and inner are surface are faced oppositely and separated mutually in each flange section 12.
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