MASH TL-3 testing and evaluation of the TXDOT T131RC bridge rail transition.

Williams, William F.; Bligh, Roger P.; Ivev, Don L.; Texas A&M Transportation Institute

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MASH TL-3 testing and evaluation of the TXDOT T131RC bridge rail transition.

2013-03-01
By Williams, William F. ; Bligh, Roger P. ; Ivev, Don L.

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English

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Creators:

Williams, William F. ; Bligh, Roger P. ; Ivev, Don L.

Williams, William F. ; Bligh, Roger P. ; Ivev, Don L. Less -
Corporate Creators:

Texas A&M Transportation Institute
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Automobiles--Crash Tests Barriers (Roads) Bridge Railings Guardrail Transition Sections Highway Safety Impact Tests Roads--Guard Fences Roadside Hazards Traffic Safety
Publication/ Report Number:

FHWA/TX-13/9-1002-12-4
Resource Type:

Tech Report
Geographical Coverage:

Texas
Corporate Publisher:

Texas. Department of Transportation
Abstract:

This project designed and crash tested a transition design for the Texas Department of Transportation (TxDOT) T131RC Bridge Rail that would meet the strength and safety performance criteria for Test Level 3 of American Association of State Highway Official’s (AASHTO) Manual for Assessing Safety Hardware (MASH).

The TxDOT T131RC Bridge Rail Transition contained and redirected the 1100C vehicle. The vehicle did not penetrate, underride, or override the installation. Maximum dynamic rail deflection was 7.4 inches. No detached elements, fragments, or other debris were present to penetrate or to show potential for penetrating the occupant compartment, or to present hazard to others. Maximum occupant compartment deformation was 2.5 inches in the left door at occupant hip height. The 1100C vehicle remained upright during and after the collision event. Occupant risk factors were within the limits specified in MASH. The 1100C crossed the exit box within the limits specified in MASH.

The TxDOT T131RC Bridge Rail Transition contained and redirected the 2270P vehicle. The vehicle did not penetrate, underride, or override the installation. Maximum dynamic deflection during the test was 8.4 inches. No detached elements, fragments, or other debris were present to penetrate or to show potential for penetrating the occupant compartment, or to present hazard to others. Maximum occupant compartment deformation was 0.25 inch in the left door at occupant hip height. The 2270P vehicle remained upright during and after the collision event. Occupant risk factors were within the limits specified in MASH. The 22270P vehicle crossed the exit box within the limits specified in MASH. The TxDOT T131RC Bridge Rail Transition performed acceptably as a MASH TL-3 transition.
Format:

PDF
Funding:

Project 9-1002-12
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:809eeee2b3622027c94502ab5e6a8d5127977f577f3d24f0f20479a19079c884
Download URL:

https://rosap.ntl.bts.gov/view/dot/25753/dot_25753_DS1.pdf
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MASH TL-3 testing and evaluation of the TXDOT T131RC bridge rail transition.

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