| 摘要 |
PURPOSE: A road boundary stone is provided to enable a worker to easily manufacture the road boundary stone with simple assembly and to prevent a gap between the ground and the road boundary stone from being separated. CONSTITUTION: A road boundary stone comprises a lower plate(100) and an upper plate(200). A lower plate comprises a reinforcing bar, a flat bar, and a nut. The upper plate includes a penetration hole and comprises a bolt and a safety cover. The lower plate is laid under the ground while a top surface of the nut is exposed, and the upper plate is arranged on an upper part of the lower plate. The safety cover is comprised as a pillar shape including a screw thread and is coated by a fluorescent material. |
