MASH Test Level 3 Evaluation of a Shorter Thrie-Beam Approach Transition

Report Number(s): 618981

Description: The Installation was 99 feet and 8 inches long from post 1 to the end of the concrete parapet. The top of the rail was 31 inches above grade. The rails were supported by W6x8.5 wide-flange posts and timber blockouts. The rail was anchored with a Steel Post Terminal. Post 3 through 10 spanned 50 feet, and consisted of glavanized steel W-beam railing, with the posts spaced at 75 inches. The W-beam extended to post 14, with posts 11-14 spaced at 37-1/2 inches. An asymmetic Thrie-beam to W-beam rail extended from post 14 to post 18, and two nested Thrie-beams, spanning 75 inches, extended from post 18 to the termain connector. Posts 14-21 were spaced at 18 3/4 inches.   MASH Test Level 3 Evaluation of a Shorter Thrie-Beam Approach Transition Keywords: Longitudinal barrier, 3-21, MASH, Guardrail, Crash Test, Asymmetrical Thrie-beam

Test Level: 3

System Type: Guardrail to Concrete

MASH Test Number: 3-21

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Pass

Evaluation: Full-Scale Crash Testing

Sponsor: Roadside Safety Pooled Fund