| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for repairing a free gradient gutter which can repair a gutter block of a deteriorated free gradient gutter while maintaining the gutter function. <P>SOLUTION: The upper part of a gutter block 1 of an existing free gradient gutter is cut and removed, and on cut and removed faces 3 of right and left standing side wall parts 2 in the remaining gutter block 1, a gutter upper repair body 4 is installed in which metal side wall support plate parts 5 supporting right and left standing side wall parts 2 so as not to be collapsed to the facing inside are vertically installed at the lower part. Next, a hardener 6 is packed between the underside of the gutter upper repair body 4 and the cut and removed faces 3 of the standing side wall parts 2, and by the hardening of the hardener 6 the gutter upper repair body 4 is fixed to the cut and removed faces 3 of the standing side wall parts 2. <P>COPYRIGHT: (C)2013,JPO&INPIT |
