| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint structure of segments which enables easy execution of an assembling operation. SOLUTION: This joint structure of segments has a constitution wherein a joint plate 3 provided on the joining end face of one segment 1 is inserted into a recess 4, 5 of the other segment 1 and further wherein a joint screw 15 is driven into a sleeve 12 of the recess 4, 5 from the inner peripheral surface side of the segment 1 and made to engage with an engaging hole 8 of the joint plate 3 and thereby the two segments 1 are joined to each other.
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