Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1988-09-30
1990-09-04
Novosad, Stephen J.
Road structure, process, or apparatus
Traffic steering device or barrier
256 131, E01F 1300, E01F 1500
Patent
active
049540092
ABSTRACT:
Barrier systems and methods include relatively narrow, cast, silica fume concrete road barriers for work site protection, road edge, and traffic lane divider locations. Reflector-bearing caps close recesses at the location of fasteners securing the barriers to a road surface. Reflectors with mounting portions secured between adjacent end faces of barriers project outward to expose a reflector portion to headlights in an adjoining traffic lane. Barrier extension members affixed atop a line of barriers reduce headlight glare, help prevent vehicles toppling over the barriers, and prevent relative rocking of one barrier with respect to another. Permanent barrier installations include a rope-like soft Butyl rubber seal damming locations where fasteners extend into the road surface to retain a hardening bonding agent and form a liquid and contaminant impervious environment for the fasteners. Drop-in-place barriers with openings extending their entire height locate over supporting uprights previously used for metal strip barrier. And barriers to be located quickly on soft undersurfaces have openings extending their entire height and securing posts driven therethrough.
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Novosad Stephen J.
Spahn Gay Ann
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