Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1994-12-22
1996-08-20
Buiz, Michael Powell
Road structure, process, or apparatus
Traffic steering device or barrier
256 131, E01F 1500
Patent
active
055473091
ABSTRACT:
An end treatment for a thrie-beam type guardrail and safety device specifically oriented toward trucks, vans and other utility vehicles having high profiles and centers of gravity. A slotted thrie-beam terminal is featured for use with highway guardrail systems. At least one reinforced slotted section is provided within the thrie-beam terminal to reduce the ability of the thrie beam to resist buckling in response to an axial type loading from end-on impacts. The terminal also provides for gating of laterally impacting vehicles. The terminal incorporates a break-away support post cable release mechanism which lessens risk to impacting vehicles which impact the lead post.
REFERENCES:
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patent: 5022782 (1991-06-01), Gertz et al.
patent: 5078366 (1992-01-01), Sicking et al.
patent: 5286137 (1994-02-01), Cicinnati et al.
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patent: 5407298 (1995-04-01), Sicking et al.
Sicking, Dean L. et al., "Development of New Guardrail End Treatments," Research Report 404-1F, Texas Transportation Institute, Oct. 1988.
Bligh Roger P.
Mak King K.
Ross, Jr. Hayes E.
Sicking Dean L.
Buiz Michael Powell
Lisehora James A.
The Texas A&M University System
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