MASH TL-3 Evaluation of 2019 MASH 2-Tube Bridge Rail Thrie Beam Transition

Williams, William F.; Menges, Wanda L.; Schroeder, Glenn E.; Kuhn, Darrell L.; Texas A&M Transportation Institute Proving Ground

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MASH TL-3 Evaluation of 2019 MASH 2-Tube Bridge Rail Thrie Beam Transition

2020-03-01
By Williams, William F. ; Menges, Wanda L. ; Schroeder, Glenn E. ; ...

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English

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Creators:

Williams, William F. ; Menges, Wanda L. ; Schroeder, Glenn E. ; Kuhn, Darrell L.

Williams, William F. ; Menges, Wanda L. ; Schroeder, Glenn E. ; Kuhn, Darrell L. Less -
Corporate Creators:

Texas A&M Transportation Institute Proving Ground
Corporate Contributors:

Alaska. Department of Transportation and Public Facilities ; North Dakota. Dept. of Transportation

Alaska. Department of Transportation and Public Facilities ; North Dakota. Dept. of Transportation Less -
Subject/TRT Terms:

[+]

Bridge Rail Bridge Railings Crash Testing Crash Tests Evaluation And Assessment Guardrail Transition Sections Longitudinal Barrier MASH Roadside Safety Thrie Beam Thrie Beams Transition
Publication/ Report Number:

608331-4-6
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Technical Report: February 2016 -March 2020
Contracting Officer:

Marx, Elmer E
Corporate Publisher:

Texas A&M Transportation Institute
Abstract:

The purpose of the tests reported herein was to assess the performance of the 2019 MASH 2-Tube Bridge Rail Thrie Beam Transition according to the safety-performance evaluation guidelines included in American Association of State Highway and Transportation Officials (AASHTO) Manual for Assessing Safety Hardware (MASH). The crash tests were performed in accordance with MASH Test Level 3 (TL- 3), which involves two full-scale crash tests (MASH Tests 3-20 and 3-21). However, MASH states that when there are transitions between two barrier types with different stiffness, one from a more flexible barrier and the other to a more rigid barrier, a full-scale crash test is recommended for both types. Therefore, MASH Test 3-21 was performed at the transition from the thrie beam rail to bridge rail, and at the transition from the W-beam rail to thrie beam rail. This report provides details of the 2019 MASH 2-Tube Bridge Rail Thrie Beam Transition, detailed documentation of the crash tests and results, and an assessment of the performance of the 2019 MASH 2-Tube Bridge Rail Thrie Beam Transition for MASH TL-3 transition evaluation criteria. The 2019 MASH 2-Tube Bridge Rail Thrie Beam Transition performed acceptably for MASH TL-3 transitions.
Format:

PDF
Funding:

1602767
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:bef5f2afa7daabadf25102d4ac69342997305f8c16b2ea8e15e4dc139f682d98
Download URL:

https://rosap.ntl.bts.gov/view/dot/55753/dot_55753_DS1.pdf
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MASH TL-3 Evaluation of 2019 MASH 2-Tube Bridge Rail Thrie Beam Transition

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