United States Department of Transportation
i
Ejection Mitigation Using Advanced Glazing: A Status Report
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1995-11-01
[PDF-5.96 MB]
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TRIS Online Accession Number:00821150
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NTL Classification:NTL-SAFETY AND SECURITY-Highway Safety;NTL-SAFETY AND SECURITY-Accidents;NTL-REFERENCES AND DIRECTORIES-Statistics;
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Abstract:The National Highway Traffic Safety Administration (NHTSA) published two Advance
Notices of Proposed Rulemaking in 1988 announcing that the agency was considering
making a proposal of requirements for passenger vehicles intended to reduce the
risk of ejections in crashes where the side protection of the vehicle was a
relevant factor. Numerous comments were received on the 1988 ANPRM. Major issues
were raised concerning the proposal. First, the safety benefits were not
quantified. The injury criteria were not specified for side impact. The
practicability of glazing designs was questioned and had never been demonstrated.
The cost was considered high. And finally, there was no objective, repeatable
test procedure proposed. On July 1, 1994, the agency created a cross-agency
research team to expedite the research and analysis of the problem of vehicle
ejection out of glazing. This Advance Glazing Research Team developed analytical
and research tools to evaluate the problem of ejection, and to measure potential
mitigating designs. The team initiated a multi-pronged approach on analyzing
advance glazing. This report contains the 1995 analysis of their preliminary
research.
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