HIGHWAY BARRIER GUARD RAILING Russian patent published in 2005 - IPC

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

SUBSTANCE: proposed barrier guard railing contains posts with two rows of longitudinal beams secured on posts by means of cantilever-braces. Cantilever of height H has vertical wall square to longitudinal axis of guard railing provided with holes for fastening to post in middle of its length and two horizontal members of different length and two inclined end face members, angle of inclination being 7.5-8.5 deg to vertical, symmetrical relative to vertical axial line of post and with holes for fastening the beams. Length of upper horizontal member L=(2.44-2.46)H and that of lower horizontal member is 1=(2.15-2.17)H at width of all members being B=(0.195-0.205)H, and summary reach of horizontal members relative to inclined members being 0.204 L and 0.23 l, respectively.

EFFECT: improved operating characteristics owing to improved reliability.

2 dwg