| 摘要 |
PROBLEM TO BE SOLVED: To provide a box culvert repair body capable of facilitating the repair working of a box culvert and securing inside strength. SOLUTION: Rectangular substantially flat plate-like side plate parts 7a, 7b opposed to a height slightly shorter than inside measurement distance of the bottom part 4 of the inside of the box culvert 2 already provided underground are provided. A height distance C on a plane making a short side opposing the side plate parts 7a, 7b provide a parallelogram substantially flat plate- like upper plate part 8 slightly shorter than a distance D between the side wall parts of the box culvert 2 between the upper sides of the side plate parts 7a, 7b to form a box culvert repair body 1. The box culvert repair body 1 is inserted from a shaft 3 to be transported at a proper position of the inside of the box culvert 2. The box culvert repair body 1 is rotated to be provided in the box culvert 2 so as to repair the box culvert 2.
|
