Author(s):
D.L. Bullard, W.L. Menges, C.E. Buth, R.R. Haug
Publication Date
September 2004
Abstract
The Federal Highway Administration's (FHWA) objective for this contract was to crash test and evaluate several longitudinal barriers, bridge rails, and transitions used on Federal Lands Highways in accordance with National Cooperative Highway Research Program (NCHRP) NCHRP Report 350 requirements. FHWA chose six longitudinal barriers, three bridge rails, and three transitions for evaluation under this contract. With regard to longitudinal barriers, the Rough Stone Masonry Guardwall and the Type A Steel-Backed Timber Guardrail were tested and evaluated according the NCHRP Report 350 test level three (TL-3), the Steel-Backed Timber Round Log Rail and the Type B Steel-Backed Timber Guardrail were tested and evaluated according to test level two (TL-2), and the Glacier Removable Rail and the Glacier Round Log Removable Rail were evaluated according to TL-3. The transition from Type A Steel-Backed Timber Rail to Straight Stone Masonry Guardwall Parapet was tested and evaluated according to NCHRP Report 350 test 2-21; the transition from Type A Steel-Backed Timber Rail to Straight Stone Masonry Guardwall Parapet with Tapered End and the Tubular Steel-Backed Timber Bridge Rail transition were tested and evaluated according to NCHRP Report 350 test 3-21. This report presents construction details of each device tested, the results of NCHRP Report 350 crash tests performed, and the evaluation each of the device's performance according to the guidelines of NCHRP Report 350.
Report Number:
FHWA-RD-04-086
Keywords:
aesthetic, Bridge Rail, crash testing, guardrail, guardwall, Longitudinal Barrier, masonary, roadside safety, Stone, timber rail, Transition
Link(s):
Document/Product
http://tti.tamu.edu/documents/FHWA-RD-04-086.pdf
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