HIGHWAY BARRIER GUARD RAILING Russian patent published in 2005 - IPC

FIELD: road building; barriers of bridges and overhead roads.

SUBSTANCE: proposed guard rail contains posts with horizontal beams secured on posts by means of cross cantilevers. Novelty is that each cantilever of height H is provided with main vertical wall square to longitudinal axis of guard railing and with holes for fastening to post, with vertical and inclined narrow end face members with fastening holes and with horizontal members of different length. Vertical member serves for fastening longitudinal tie-rods, and inclined member, for beam with angle of inclination to vertical of 7-8 deg. Length of larger upper horizontal member is L=(1.50-1.54)H length of smaller lower horizontal member is l=(1.36-1.40)H and their reach from side of inclined member is equal to 0.195 L and 0.215 l, respectively, at width of all members being 0.2H.

EFFECT: improved operating characteristics of guard railing owing to improved reliability in case of running-on of vehicle.

2 dwg