Testing of state roadside safety systems. Volume XI, Appendix J -- Crash testing and evaluation of existing guardrail systems

Mak, King K.; Bligh, Roger P.; Menges, Wanda L.; Texas Transportation Institute

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Testing of state roadside safety systems. Volume XI, Appendix J -- Crash testing and evaluation of existing guardrail systems

1999-04-01
By Mak, King K. ; Bligh, Roger P. ; Menges, Wanda L.

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English

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Alternative Title:

Crash testing and evaluation of existing guardrail systems
Creators:

Mak, King K. ; Bligh, Roger P. ; Menges, Wanda L.

Mak, King K. ; Bligh, Roger P. ; Menges, Wanda L. Less -
Corporate Creators:

Texas Transportation Institute
Corporate Contributors:

United States. Federal Highway Administration. Office of Safety and Traffic Operations Research and Development
Subject/TRT Terms:

[+]

Bridge Railings Guardrails Guardrail Terminals Guardrail Transition Sections Impact Tests
Publication/ Report Number:

FHWA-RD-98-046
Resource Type:

Tech Report
Edition:

Final report
Contracting Officer:

McDevitt, Charles F.
Corporate Publisher:

Turner-Fairbank Highway Research Center
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Design;NTL-SAFETY AND SECURITY-Highway Safety;
Abstract:

The purpose of this study is to crash test and evaluate new or modified roadside safety hardware and, where necessary, redesign the devices to improve their impact performance. The three major areas addressed in this study are the impact performance of bridge railings, transitions from guardrails to bridge railings, and end treatments for guardrails and median barriers. This report presents the results of a series of crash tests conducted on existing guardrail systems with the 2000P test vehicle (i.e., a 2000-kg (4409-lb) pickup truck) in accordance with guidelines set forth in NCHRP Report 350. Results of the crash tests indicated that the cable (G I), box-beam (G3), W-beam, strong-wood-post (G4(2W)), and the modified thrie-beam guardrail systems performed satisfactorily under test level 3 conditions (i.e., at a nominal impact speed and angle of 100 km/h (62.2 mi/h) and 25 degrees). The W-beam, strong-steel-post (G4(IS)), and the thrie-beam (G9) guardrail systems failed to perform satisfactorily under test level 3 conditions. The W-beam, weak-post (G2) guardrail system failed to perform satisfactorily under test level 3 conditions, but performed satisfactorily under test level 2 conditions (i.e., at a nominal impact speed and angle of70 km/h (43.5 mi/h) and 25 degrees).
Format:

PDF
Funding:

DTFH61-89-C-00089
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:27ae2c08edd421c7a665397c8f80bfb55bfada789c8355f4dd69c1f2710b25ef
Download URL:

https://rosap.ntl.bts.gov/view/dot/937/dot_937_DS1.pdf
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Testing of state roadside safety systems. Volume XI, Appendix J -- Crash testing and evaluation of existing guardrail systems

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