| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a repairing method for a steel slit dam, more efficiently performing replacement work for a damaged steel slit dam. <P>SOLUTION: A steel pipe unit 16 at least connected to a damaged buried steel pipe 17 is detached from the buried steel pipe 17, and a lower part from a damaged portion in the buried steel pipe 17 is cut. A repairing member 50 including an insert pipe 51 having an outside diameter under the inside diameter of the buried steel pipe 17, a cap body 52 fitted to the upper end of the insert pipe 51 and having a diameter exceeding the inside diameter of the buried steel pipe 17, and a flange 53 fitted to the upper end of the cap body 52 is mounted on the upper end of the buried steel pipe 17 cut and left on a concrete foundation 3 through the insert pipe 51, and the detached steel pipe unit 16 or a new steel pipe unit 16 is connected to the flange 53 in the repairing member 50. <P>COPYRIGHT: (C)2009,JPO&INPIT |
