2 Double borderline structure on the bridge

摘要

Disclosed is a road boundary structure that displays a boundary between a sidewalk and a road surface of a bridge or overpass, and protects a pedestrian on a sidewalk as well as protecting a vehicle from damage caused by a collision of a vehicle or the like. The road boundary structure includes a support having a cross-sectional shape of the letter “C” by connecting the upper rib 210 and the lower rib 230 of the plate shape at one end thereof by the intermediate member 220 of the plate shape; A piston part 240 attached to an intermediate part of the intermediate member 220; A cylinder part formed to insert the piston part 240 to be reciprocated and a sliding member 400 provided with a guide hole; A stopper fixed to the upper rib and the lower rib and fitted into the guide hole to guide the movement of the sliding member 400 at the time of the collision between the spring having the bullet support function and the vehicle, and at the same time to mitigate the impact of the vehicle collision. 300).