| 摘要 |
PROBLEM TO BE SOLVED: To provide a retainer frame for a ditch cover, which secures construction accuracy for a construction area on a job site and which improves safety and durability after construction.SOLUTION: A retainer frame 2 for a ditch cover, which is provided on an upper part of a waterway to arrange the ditch cover, includes connection mechanisms (a connection plate 13 and a connection bolt 13b) which connect the retainer frames 2, 2... for the ditch cover, arranged adjacently to each other, in such a manner that they do not get away from each other. The connection mechanism is provided in a predetermined position on an outside surface of the retainer frame 2 for the ditch cover, arranged by connecting and integrating the adjacent retainer frames 2 for the ditch cover together, and subsequently integrated with a road surface 60 that is formed by being newly placed. |
