Now showing items 1-13 of 13

    • Advanced dynamic impact extension module 

      Ivey, Don L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1989-04-18)
      An advanced dynamic impact extension module, used to protect occupants of vehicles from the adverse effects of instantaneous deacceleration of a vehicle when the vehicle impacts an end of a concrete barrier wall is disclosed. ...
    • Advanced dynamic impact extension module 

      Ivey, Don L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1990-03-20)
      An advanced dynamic impact extension module, used to protect occupants of vehicles from the adverse effects of extremely rapid deacceleration of a vehicle when the vehicle impacts an end of a concrete barrier wall is ...
    • Barrel crash cushions 

      Hirsch, Teddy J.; Ivey, Don L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2000-10-03)
      Apparatus and methods are described relating to barrel crash cushions which readily collapse when impacted from a substantially end-on direction, and are more capable than conventional designs of substantially redirecting ...
    • Collision performance side impact (automobile penetration guard) 

      Ivey, Don L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1998-08-11)
      Apparatus and methods are described for preventing the penetration of vehicles by narrow objects such as guardrail ends or portions of a guardrail end treatment during a collision. In one embodiment, portions of an ET-2000 ...
    • The feasibility of designing for composite action in a prestressed panel type highway bridge 

      Buth, Carl Eugene (Texas A&M University. Libraries, 1972)
      A relatively new type of beam and slab bridge which makes use of precast, prestressed panels as part of the slab was investigated. In this type of bridge construction, the panels are placed to span between the beams and ...
    • 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 ...
    • An investigation of the sleeve method of splicing reinforcing bars 

      Ivey, Don L. (Texas A&M University. Libraries, 1964)
      No Abstract
    • Low profile concrete road barrier 

      Ivey, Don L.; Ross, Hayes E.; Beason, Lynn W. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1992-10-20)
      A low profile road barrier that minimizes obstruction to vision and the ramping and rolling of automobiles which may be comprised of one or more interconnected concrete barrier segments stationed along the road or cast in ...
    • Matrix analysis of beams on discrete, non-linear elastic supports 

      Cheng, Aylmer Pao-Sheng
      A matrix method of analyzing beams on discrete, non-linear elastic supports is presented. This approach relates the boundary conditions at the left end of the beam to that at the right end as a function of the beam properties, ...
    • Metal beam rail terminal 

      Ivey, Don L.; Buth, Carl E.; Mak, King K.; Sicking, Dean (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1995-02-21)
      The invention features a new and improved safety treatment for rails, such as a highway guardrail or barrier, which through compression of elongated segments of a telescoping terminal dissipates energy from vehicle impacts ...
    • Pedestrian safety barrier 

      Ivey, Don L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1994-04-12)
      An elongated pedestrian safety barrier adapted to be longitudinally disposed between a roadway and an adjoining pedestrian walkway. The safety barrier features a concrete structure up to about 24 inches in height having ...
    • Pipe rack crash cushion 

      Ivey, Don L.; Zimmer, Richard A. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2001-01-30)
      A collapsible crash barrier for use as and end treatment for a commonly known "Jersey Barrier" provides a frame assembly having a tubular construction and circular guides to control axial collapse of the barrier. A saddle ...
    • Safety end barrier for concrete road barriers 

      Ivey, Don L.; Ross Jr., Hayes E.; Beason, Lynn W. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1994-03-22)
      A safety end barrier for use in coordination with roadside barriers. The safety end barrier lies substantially parallel to the direction of traffic flow and increases in height from about natural ground level at its lower ...