| 摘要 |
PURPOSE: An L-type side ditch for a road is provided to reduce repair expenses by protecting a road facility by preventing the damage of a boundary stone using shock-absorbing rubber. CONSTITUTION: The L-type side ditch(300) for a road is completed by coupling a shock-absorbing rubber(320) and a boundary stone(330) on a footing side ditch(310) where an anchor bolt(311) is installed. The footing side ditch(310) is provided with an anchor bolt(311) and an anchor hole(312) and fixed with a connecting pin(313), the shock-absorbing rubber(320) is manufactured in the omega shape and provided with a fastening hole(321) to penetrate the anchor bolt(311), and the boundary stone(330) is formed in the U-shape and provided with a fastening hole(321) to penetrate the anchor bolt(311). A circular rubber frame(331) and a spring(332) are inserted through the fastening hole(321) and fixed by a fastening nut(333), and an upper stopper(334) is installed on the upper part. |
