| 摘要 |
PURPOSE: A safety boundary stone for a bicycle road is provided to prevent a safety accident by inducing the eyes of a user in the night and absorbing shock. CONSTITUTION: A safety boundary stone for a bicycle road comprises a synthetic rubber material, protrusions, and concrete. The synthetic rubber material constitutes an outer wall in a boundary stone shape and absorbs impact. The synthetic rubber material is composed of a raw rubber material and luminous chips(6). The protrusions are embedded in concrete and are sparsely formed to be not separated from the concrete. The concrete constitutes a body in a boundary stone shape. |
