Now showing items 1-20 of 23

    • Apparatus and methods for strengthening guardrail installations 

      Ross Jr., Hayes E.; Bligh, Roger P.; Mak, King K.; Ross Jr., Hayes E. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2003-06-10)
      Devices and methods for strengthening the upper portions of the support posts for guardrails and guardrail end treatments against the forces that are imparted to the post during an impact. The upper portions of support ...
    • Box beam terminals 

      Buth, Eugene C.; Bligh, Roger P.; Alberson, Dean C.; Bullard Jr., Lance D.; Ross Jr., Hayes E.; Abu-odeh, Akram (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2007-03-06)
      Guardrail installation designs are described that incorporate a box beam rail as the structural rail member. The box beam rail member may have an open cross-section or a closed cross-section. An impact head is provided to ...
    • Box beam terminals 

      Buth, Eugene C.; Bligh, Roger P.; Alberson, Dean C.; Bullard Jr., Lance D.; Ross Jr., Hayes E.; Abu-odeh, Akram (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2008-02-05)
      Guardrail installation designs are described that incorporate a box beam rail as the structural rail member. The box beam rail member may have an open cross-section or a closed cross-section. An impact head is provided to ...
    • Cable anchor bracket 

      Alberson, Dean C.; Bligh, Roger P.; Bullard Jr., Lance D.; Buth, Eugene C.; Ross Jr., Hayes E.; Brown, Stephen L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2007-07-17)
      According to one embodiment, a cable anchor system for an end terminal includes a cable anchor bracket configured to couple to a guardrail, in which the cable anchor bracket includes a flat plate having an aperture formed ...
    • Cable anchor bracket 

      Alberson, Dean C.; Bligh, Roger P.; Bullard Jr., Lance D.; Buth, Eugene C.; Ross Jr., Hayes E.; Brown, Stephen L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2009-04-14)
      According to one embodiment, a cable anchor system for an end terminal includes a cable anchor bracket configured to couple to a guardrail, in which the cable anchor bracket includes a flat plate having an aperture formed ...
    • Cable guardrail release system 

      Alberson, Dean C.; Bligh, Roger P.; Bullard Jr., Lance D.; Buth, Eugene C. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2009-07-07)
      A cable guardrail release system includes a firsts number of anchor posts installed adjacent a roadway. Each of the first number of anchor posts secures an end of a respective cable. Each anchor post is operable to release ...
    • Cable guardrail release system 

      Alberson, Dean C.; Bligh, Roger P.; Bullard Jr., Lance D.; Buth, Eugene C. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2005-08-23)
      A cable guardrail release system includes a first number of anchor posts installed adjacent a roadway. Each of the first number of anchor posts secures an end of a respective cable. Each anchor post is operable to release ...
    • Cable release anchor 

      Alberson, Dean C.; Bullard, Lance D., Jr.; Bligh, Roger P.; Buth, Eugene C. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2004-05-04)
      A cable release anchor having an improved breakaway post design with a cable release feature. The cable release anchor includes upper and lower anchor portions that are readily separable from one another during an impact. ...
    • Design of Roadside Barrier Systems Placed on Mechanically Stabilized Earth (MSE) Retaining Walls 

      Kim, Kang (2010-01-16)
      Millions of square feet of mechanically stabilized earth retaining wall are constructed annually in the United States. When used in highway fill applications in conjunction with bridges, these MSE walls are typically ...
    • Energy absorbing device having notches and pre-bent sections 

      Abu-odeh, Akram Y.; Bligh, Roger P.; Alberson, Dean C.; Ness, Jacob R. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2008-06-24)
      According to one embodiment of the invention, an energy-absorbing device includes a section of material having a plurality of crush zones along a longitudinal length thereof, a first crush zone of the plurality of crush ...
    • Frame catcher adaptation for guardrail extruder terminal 

      Bligh, Roger P.; Ivey, Don L.; Buth, Carl E.; Ross, Hayes E. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2000-07-18)
      Apparatus and methods for preventing penetration of vehicles by causing the guardrail extruder terminal to contact and engage the frame or chassis of vehicles in a collision. In preferred embodiments, a guardrail extruder ...
    • Guardrail safety system for dissipating energy to decelerate the impacting vehicle 

      Abu-odeh, Akram Y.; Alberson, Dean C.; Bligh, Roger P.; Bullard Jr., Lance D.; Buth, Eugene C. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2010-04-13)
      In accordance with a particular embodiment of the present invention, an end treatment of a guardrail safety system includes a terminal portion of a guardrail beam that has a downstream end and an upstream end. The terminal ...
    • Locking hook bolt and method for using same 

      Alberson, Dean C.; Mauer IV, Frederick; Bullard Jr., Lance D.; Bligh, Roger P.; Buth, Eugene C. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2005-09-27)
      A locking hook bolt, which may be used for securing cable to support posts in guardrail assemblies, and a method for using the same are provided. The locking hook bolt includes a first leg, a second leg, and an arcuate ...
    • Single anchor terminal 

      Brackin, Michael S.; Alberson, Dean C.; Bligh, Roger P.; Bullard, Delbert Lance, Jr. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2019-04-09)
      A single anchor terminal is provided for a roadside wire rope barrier. The single anchor terminal includes a release post, a brace, and an anchor base. The brace supports the release post in an upright position and extends ...
    • Slot guard for slotted rail terminal 

      Bligh, Roger P.; Mak, King K.; Ross, Hayes E., Jr. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2002-08-20)
      Slot guards for a slotted rail terminals are described having a central section and a pair of wing portions that are angularly disposed with respect to the central portion. The wing portions are folded away from the plane ...
    • Slotted rail terminal 

      Sicking, Dean I.; Bligh, Roger P.; Mak, King K.; Ross, Hayes E., Jr. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1995-04-18)
      A slotted rail terminal for highway guardrails. The rail of the terminal contains at least one slotted section extending along the rail and having at least one longitudinal slot of a size sufficient to reduce the ability ...
    • Steel yielding guardrail support post 

      Alberson, Dean C.; Bullard Jr., Lance D.; Buth, Eugene C.; Bligh, Roger P. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2005-06-07)
      A guardrail support post includes a continuous structural member having a top edge, a bottom edge, and a generally uniform cross section from the top edge to the bottom edge. The structural member includes first and second ...
    • Tension end treatment for guardrail safety system 

      Alberson, Dean C.; Bullard, D. Lance, Jr.; Buth, C. Eugene; Bligh, Roger P.; Abuy-Odeh, Akran Y. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 12/1/2020)
      An end treatment for a guardrail safety system includes a terminal portion of a guardrail beam comprising a downstream end and upstream end, a first tension cable coupled to an upstream end of the terminal portion. An ...
    • Tension guardrail terminal 

      Abu-odeh, Akram Y.; Alberson, Dean C.; Bligh, Roger P.; Bullard Jr., Lance D.; Buth, Eugene C. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2014-11-11)
      A terminal portion of a guardrail safety system includes a terminal portion of a guardrail beam having a downstream end and upstream end. The terminal portion of the guardrail beam slopes from a height appropriate for ...
    • Tension guardrail terminal 

      Abu-odeh, Akram Y.; Alberson, Dean C.; Bligh, Roger P.; Bullard Jr., Lance D.; Buth, Eugene C. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2011-02-08)
      A terminal portion of a guardrail safety system includes a terminal portion of a guardrail beam having a downstream end and upstream end. The terminal portion of the guardrail beam slopes from a height appropriate for ...