| 摘要 |
PURPOSE: A bottom plate for a sidewalk block is provided to improve joint force of sidewalk blocks by inserting holes of the sidewalk block into support pipes positioned at regular intervals. CONSTITUTION: The structure of a bottom plate for a sidewalk block comprises the followings. Support pipes are projected between drainage holes(12) of the bottom plate at a cross shape. A coupling hole(13a) punched on a connecting piece(13) formed outside the bottom plate is coupled protrusions(13b) of another bottom plate to consecutively couple the bottom plates. |
