DEVELOPMENT OF AN ANALYTICAL APPROACH TO HIGHWAY BARRIER DESIGN AND EVALUATION

HIGHWAY BARRIERS ARE ERECTED TO DELINEATE THE ROADWAY LIMITS AND TO WARN THAT ABNORMAL HAZARDS EXIST OUTSIDE THOSE LIMITS. THEY ARE ALSO INTENDED PHYSICALLY TO RESTRAIN VEHICLES FROM ENTERING AREAS THEY CANNOT SAFELY TRAVERSE. A SUCCESSFUL BARRIER SHOULD BE DESIGNED SO THAT IF IMPACT OCCURS, (1) THE VEHICLE SHOULD NOT GO OVER OR UNDER THE BARRIER; (2) THE VEHICLE SHOULD NOT BE STOPPED ABRUPTLY; AND (3) THE VEHICLE SHOULD BE REDIRECTED SO AS NOT TO BECOME A HAZARD TO NEARBY TRAFFIC. THE PURPOSE OF THIS INVESTIGATION WAS TO REVIEW EXISTING INFORMATION, VERIFY PREDICTED VEHICLE REACTIONS WITH FULL-SCALE TESTS. MATHEMATICAL MODELS WERE DEVELOPED TO DESCRIBE THE RELATIONSHIP BETWEEN APPLIED HORIZONTAL LOAD AND THE RESULTING LATERAL DEFLECTION OF THREE TYPES OF HIGHWAY BARRIERS. VEHICLE TRAJECTORY DURING IMPACT WITH A CARRIER WAS THEN PREDICTED BY A FOURTH MATHEMATICAL MODEL. THE FOLLOWING CONCLUSIONS APPERAR WARRANTED: (1) A METHOD HAS BEEN DEVELOPED THAT PERMITS THE EVALUATION OF MANY EXISTING BARRIERS, MODIFICATIONS TO THESE BARRIERS, AND PROPOSED BARRIER DESIGN. (2) CERTAIN FEATURES OF HIGHWAY BARRIERS RESULTING N UNSATISFACTORY PERFORMANCE HAVE BEEN DEFINED. (3) THESE FEATURES MAY BE ELIMINATED BY MODIFYING EXISTING BARRIERS, OR BY DESIGNING NEW ONES INCORPORATING CONCEPTS DEVELOPED IN THIS PROJECT. /FHWA/

  • Supplemental Notes:
    • RES REPT 63-2
  • Corporate Authors:

    New York State Department of Transportation

    Bureau of Physical Research
    ,   United States 

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Publication Date: 1963-5

Media Info

  • Serial:
    • Issue Number: 63-2

Subject/Index Terms

Filing Info

  • Accession Number: 00203182
  • Record Type: Publication
  • Source Agency: Federal Highway Administration
  • Files: TRIS, USDOT, STATEDOT
  • Created Date: Apr 30 1973 12:00AM