Brakes – Vehicle – On ground
Patent
1986-12-15
1989-03-28
Kashnikow, Andres
Brakes
Vehicle
On ground
256 1, B60T 300, E04H 1700
Patent
active
048155659
ABSTRACT:
A crash cushion end treatment, comprising a reusable barrier apparatus to protect vehicles traveling along the roadway from fixed roadside obstructions is disclosed. The apparatus is attached to the fixed obstruction and comprises a linear array of deformable cylinders or vented bodies which are designed to attenuate the force of vehicle impact. A single cylindrical member is disposed at the front, or leading edge, of the barrier. The cylindrical member prevents vehicles impacting the barrier "head-on" from being launched over the barrier. Further, a plurality of overlapping fender panels are disposed along each side of the linear array of deformable cylinders. These fender panels are hinged to the barrier so that when the barrier is collapsed, or telescoped inwardly, by an impacting vehicle, the panels may hinge outwardly without being damaged or destroyed. In one preferred embodiment of the present invention, cables are strung through the barrier to keep the barrier substantially in place when a vehicle impacts the barrier either head-on or from the side. A crash cushion barrier incorporating the present invention may be struck repeatedly by vehicles without sustaining serious damage or without being destroyed. A crash cushion barrier according to the present invention may be quickly and easily reset after vehicle impact by pulling and extending the barrier back to its original position, and by making minor alignment adjustments if necessary.
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A report entitled "A Low-Maintenance End Treatment for Concrete Barriers", by Dean L. Sicking and Hayes E. Ross, Jr. for presentation at 1986 Annual Meeting of TRB.
Ross, Jr. Hayes E.
Sicking Dean L.
Kashnikow Andres
Potosnak Richard
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