NCHRP Report 350 Test 4-12 of the Modified Thrie Beam Guardrail

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.

• Record URL:
  • https://rosap.ntl.bts.gov/view/dot/40123
• Corporate Authors:

  Texas A&M Transportation Institute

  Texas A&M University System
  3135 TAMU
  College Station, TX  United States  77843-3135

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Buth, C Eugene
  • Menges, Wanda L
• Publication Date: 1999

Language

• English

Media Info

• Media Type: Digital/other
• Features: Figures; Photos; References; Tables;
• Pagination: 39p

Subject/Index Terms

• TRT Terms: Crash tests; Guardrails; Heavy vehicles; Highway safety; Thrie beams
• Identifier Terms: NCHRP Report 350
• Uncontrolled Terms: Single-unit trucks
• Subject Areas: Highways; Safety and Human Factors;

Filing Info

• Accession Number: 01707088
• Record Type: Publication
• Report/Paper Numbers: FHWA-RD-99-065, 404211-5
• Contract Numbers: DTFH61-97-C-00039
• Files: NTL, TRIS, ATRI, USDOT
• Created Date: Jun 4 2019 9:40AM