| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a drainage ditch material, a drainage structure using this drainage ditch material, and its construction method for preventing trash or the like from intruding into a drainage ditch having no lid member and preventing a person from receiving a sense of incongruity due to nonuniformity in design with a floor sheet. Ž<P>SOLUTION: This drainage ditch material 10 to be laid on a floor surface provided with the floor sheet 20 is provided with a ditch part 1a, a floor sheet supporting face 1e formed in one side bank part 1c, and a recessed bar 1h formed on an inner side face in the other side bank part 1d to insert an end fringe of the floor sheet. This drainage structure is constituted by covering one side bank part 1c of the drainage ditch material and the ditch part 1a with the floor sheet 20 and inserting the end fringe 20a of the floor sheet into the recessed bar 1h in the other side bank part 1d to prevent trash or the like from intruding into the ditch part 1a by the floor sheet 20 covering the ditch part 1a. Even if there is nonuniformity in design, it is not conspicuous and a person scarcely receives a sense of incongruity because the other side bank part 1d is merely exposed. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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