| 摘要 |
PROBLEM TO BE SOLVED: To provide a repairing member of a cylindrical part that can easily repair the cylindrical part without depending on degradation or breakage places of the cylindrical part, and provide repairing methods of underground drainage facilities with the same and the cylindrical part.SOLUTION: A repairing member 1 includes: a repair invert 2 formed annularly and inserted into a cylindrical part 52 so that a first hole part 10 is positioned on an invert flow path 56; one or more repair rings 3 formed annularly and stacked on the repair invert 2 so that a second hole part 20 is positioned on the first hole part 10; a vertical pipe 4 installed on a repair ring 3b positioned uppermost so that a conduit 30 is positioned on the second hole part 20; an annular seal member 5 provided by coming into contact with the circumference of the repair ring 3b and the inner circumferential surface of the cylindrical part 52, and having flexibility; a filler 6 coming into contact with the seal member 5 and filled in a space in the cylindrical part 52 upper than the seal member 5; and a protection lid 7 provided upper than the filler 6 and exposed partly on the ground, and covering a vertical pipe opening part 4a.SELECTED DRAWING: Figure 1 |
