NCHRP report 350 test 4-12 of the modified thrie beam guardrail. Test report Buth, C Eugene ; Menges, Wanda L
Publication details: McLean, VA U.S. Department of Transportation. Federal Highway Administration, 1999; Turner-Fairbank Highway Research Center, ; The Texas A&M University System. Texas Transportation Institute, Description: 39 sSubject(s): Online resources: Abstract: The modified thrie beam guardrail has been successfully tested at Test Level 3 (TL-3) of NCHRP Report 350.(3) FHWA decided that the guardrail should be tested to TL-4, which involves a crash test with the 8000S (single-unit truck) traveling at a nominal speed and angle of 80 km/h and 15 degrees, impacting the critical impact point. This test is intended to evaluate the strength of the section in containing and redirecting the heavy vehicle. This report presents the details and results of NCHRP Report 350 test designation 4-12 for evaluation of the modified thrie beam to TL-4. The modified thrie beam guardrail met all requirements for NCHRP Report 350 test designation 4-12.The modified thrie beam guardrail has been successfully tested at Test Level 3 (TL-3) of NCHRP Report 350.(3) FHWA decided that the guardrail should be tested to TL-4, which involves a crash test with the 8000S (single-unit truck) traveling at a nominal speed and angle of 80 km/h and 15 degrees, impacting the critical impact point. This test is intended to evaluate the strength of the section in containing and redirecting the heavy vehicle. This report presents the details and results of NCHRP Report 350 test designation 4-12 for evaluation of the modified thrie beam to TL-4. The modified thrie beam guardrail met all requirements for NCHRP Report 350 test designation 4-12.