United States Department of Transportation
i
Enhanced Finite Element Analysis Crash Model of Tractor-Trailers (Phase A)
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2008-10-28
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[PDF-4.10 MB]
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TRIS Online Accession Number:01131249
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OCLC Number:690917104
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NTL Classification:NTL-FREIGHT-Trucking Industry;NTL-SAFETY AND SECURITY-Accidents;NTL-REFERENCES AND DIRECTORIES-Statistics;
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Abstract:While many highway crashes involve vehicle-to-vehicle impacts, a substantial number of injuries and fatalities result from single vehicle impacts with roadside infrastructure such as guardrails, protective barriers, roadway signs and other fixed objects. The design and engineering of these structures strongly influence the injury-causing g-forces experienced by vehicle occupants and whether or not vehicles are redirected back into traffic. In recent decades, the highway community, including the U.S. Department of Transportation (USDOT), the Federal Highway Administration (FHWA), the Turner Fairbank Highway Research Center (TFHRC), and state Departments of Transportation have supported and conducted extensive full-scale passenger car-barrier crash tests to better understand crash performance of guardrails and barriers and to improve their design and to reduce the likelihood of vehicle-infrastructure crash fatalities and injuries. However, very limited work has been conducted on crash performance of barriers when impacted by medium and heavy duty trucks due to the cost and the complexity of full scale truck testing. Substantially, more data and better understanding of truck-infrastructure crashes would enable the highway community to improve barrier design, to further reduce the likelihood of vehicle-infrastructure fatalities and injuries and to reduce highway congestion resulting from severe accidents.
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