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dc.creatorAlberson, Dean C.
dc.creatorBligh, Roger P.
dc.creatorBullard Jr., Lance D.
dc.creatorButh, Eugene C.
dc.date.accessioned2019-06-17T17:07:41Z
dc.date.available2019-06-17T17:07:41Z
dc.date.issued2013-08-06
dc.identifier.urihttps://hdl.handle.net/1969.1/177038
dc.description.abstractA guardrail safety system includes a guardrail beam operable to contain and redirect an errant vehicle to prevent the vehicle from leaving a roadway. At least a portion of the guardrail beam includes a thrie beam. A support post is coupled to the guardrail beam and includes a lower portion, a mid portion, and an upper portion. The lower portion is installed below grade adjacent the roadway. The mid portion lies substantially adjacent the grade and is weakened about a first axis without being substantially weakened about a second axis that is generally perpendicular to the first axis. An upper portion is releasably coupled to the guardrail beam such that the upper portion is uncoupled from the guardrail beam when the mid portion yields about the first axis.en
dc.languageeng
dc.publisherUnited States. Patent and Trademark Office
dc.rightsPublic Domain (No copyright - United States)en
dc.rights.urihttp://rightsstatements.org/vocab/NoC-US/1.0/
dc.titleYielding post guardrail safety system incorporating thrie beam guardrail elementsen
dc.typeUtility patenten
dc.format.digitalOriginreformatted digitalen
dc.description.countryUS
dc.contributor.assigneeThe Texas A&M University System
dc.identifier.patentapplicationnumber11/679957
dc.subject.uspcprimary256/13.1
dc.date.filed2007-02-28
dc.publisher.digitalTexas A&M University. Libraries
dc.subject.cpcprimaryE01F 15/0461
dc.subject.cpcprimaryE01F 15/0423
dc.subject.cpcprimaryE01F 9/635


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