| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a side ditch repair method which allows recycling of a lifting adjustment bolt and is capable of obtaining a strong dislocation prevention effect of a side ditch upper part repair body. <P>SOLUTION: An upper part of a side ditch block 1 is cut off and removed, a connection hole 11 is perforated on a cut and removed surface 2, a side ditch upper repair body 6 is installed onto the cut and removed surface 2, a bolt insertion hole 4 of the side ditch upper repair body 6 is positioned with the connection hole 11, and a lifting adjustment bolt 3 is screwed to the bolt insertion hole 4. The lifting adjustment bolt 3 is turned to adjust lifting of the side ditch upper repair body 6, and a hardening agent 9 is filled in a gap 8 between a lower part of the side ditch upper repair body 6 and a cut and removed part of the side ditch block 1 to fix the side ditch upper repair body 6. Then, the lifting adjustment bolt 3 is detached from the bolt insertion hole 4, a rod-like connection body 12 is inserted to the bolt insertion hole 4 and the connection hole 11, and the hardening agent 9 is filled. <P>COPYRIGHT: (C)2012,JPO&INPIT |
