| 摘要 |
PROBLEM TO BE SOLVED: To provide a dome roof temporary fixation method capable of temporarily fixing a dome roof to an upper end of a dike without performing any welding after raising the dome roof by air raising, and its temporary fixation structure.SOLUTION: The work of fixing a roof bone upper fixture 23 beforehand to a roof bone 20 of a dome roof 5 before raising the dome roof 5 of a flat bottom cylindrical storage tank by air raising, fixing a portal fixture 24 corresponding to the roof bone upper fixture 23 and a stopper member 25 beforehand to a peak part of a dike 2, engaging one end of a roof fixing beam 28 inserted to the portal fixture 24 with the roof bone upper fixture 23, fitting a spacer member 30 between the other end of the roof fixing beam 28 and the stopper member 25, and respectively fitting wedge members 31 and 32 between the one end of the roof fixing beam 28 and the roof bone upper fixture 23 and between the roof fixing beam 28 and a horizontal beam part 27b of the portal fixture 24 is performed respectively to the plurality of roof bones 20 of the dome roof 5. |
