Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers

Bielenberg, Robert W.; Lingenfelter, Jessica L.; Kohtz, Justine E.; Faller, Ronald K.; Reid, John D.; Midwest Roadside Safety Facility; Nebraska Transportation Center; University of Nebraska--Lincoln

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Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers

2017-05-02
By Bielenberg, Robert W. ; Lingenfelter, Jessica L. ; Kohtz, Justine E. ; ...

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Creators:

Bielenberg, Robert W. ; Lingenfelter, Jessica L. ; Kohtz, Justine E. ; Faller, Ronald K. ; Reid, John D.

Bielenberg, Robert W. ; Lingenfelter, Jessica L. ; Kohtz, Justine E. ; Faller, Ronald K. ; Reid, John D. Less -
Corporate Creators:

Midwest Roadside Safety Facility ; Nebraska Transportation Center ; University of Nebraska--Lincoln

Midwest Roadside Safety Facility ; Nebraska Transportation Center ; University of Nebraska--Lincoln Less -
Corporate Contributors:

Nebraska. Department of Roads ; Smart Work Zone Deployment Initiative ; United States. Department of Transportation. Federal Highway Administration

Nebraska. Department of Roads ; Smart Work Zone Deployment Initiative ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Compliance Test Concrete Barrier Crash Tests Guardrails Guardrail Transition Sections Highway Safety MASH MGS PCB Roadside Appurtenances Stiffness Transition
Publication/ Report Number:

TRP-03-335-17
Resource Type:

Tech Report
Geographical Coverage:

West North Central States ; United States

West North Central States ; United States Less -
Edition:

Final Report: 2014 – 2017
Corporate Publisher:

Midwest Roadside Safety Facility ; Nebraska Transportation Center ; University of Nebraska--Lincoln

Midwest Roadside Safety Facility ; Nebraska Transportation Center ; University of Nebraska--Lincoln Less -
Abstract:

Three full-scale vehicle crash tests were conducted according to the Manual for Assessing Safety Hardware (MASH) Test Level 3 (TL-3) safety performance criteria on a transition between the Midwest Guardrail System (MGS) and a portable concrete barrier (PCB) system. The transition system utilized for test nos. MGSPCB-1 through MGSPCB-3 consisted of a standard MGS that overlapped a series of F-shape PCB segments that approached the MGS at a 15H:1V flare. In the overlapped portion of the barrier systems, uniquely-designed blockout holders and a specialized W-beam end shoe mounting bracket were used to connect the systems. In test no. MGSPCB-1, a 5,079-lb (2,304-kg) pickup truck impacted the barrier at 63.2 mph (101.8 km/h) and 25.3 degrees. The barrier captured and redirected the 2270P vehicle, and the vehicle decelerations were within the recommended occupant risk limits. In test no. MGSPCB-2, a 2,601-lb (1,180-kg) car impacted the barrier at 65.1 mph (104.8 km/h) and 24.0 degrees. The barrier captured and redirected the 1100C vehicle, and the vehicle decelerations were within the recommended occupant risk limits. In test no. MGSPCB-3, a 5,177-lb (2,348-kg) pickup truck impacted the barrier at 63.1 mph (101.5 km/h) and 24.6 degrees. For this test, the system was impacted in the reverse direction. The barrier captured and redirected the 2270P vehicle, and the vehicle decelerations were within the recommended occupant risk limits. Based on the results of these successful crash tests, it is believed that the transition design detailed herein represents the first MASH TL-3 crashworthy transition between the MGS and PCBs.
Format:

PDF
Funding:

NDOR: TPF-5(193) Supplement #76 ; SWZDI: TPF-5(295) Contract No. 16347

NDOR: TPF-5(193) Supplement #76 ; SWZDI: TPF-5(295) Contract No. 16347 Less -
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:27f19647d9ad75d5ef08620c23adf82c3ea0c1889eb062658a20ab6b7d730d2e
Download URL:

https://rosap.ntl.bts.gov/view/dot/49151/dot_49151_DS1.pdf
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Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers

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