Effects of road grip on braking for injury severity of car accidents in German traffic scenery based on in-depth accident study GIDAS

Otte, D.; Jänsch, M.; Nehmzow, J.

Affiliations

¹Accident Research Unit, Hanover Medical School, Germany

Abstract and keywords

On the basis of accident documentations GIDAS (German in-Depth-Accident-Study) the influence of different grip values between tires and road surfaces leading to an impact speed in accidents involving cars have been analyzed. The assumption is defined as influence of the braking grip value varying by ± 10 % for dry road surface situation and ± 15 % for wet on the real accident documentations for resulting injury severities of passengers and/or external traffic participants. The background of this study approach is oriented on better tires that could decrease the portion of most severe or fatal injured persons in road traffic accidents.

It could be established an average by 2.0% on the reduction of most severe or fatal injured persons and a reduction of accidents with severe injured persons by 1.8% in average, if the grip value would be plus 10 respectively 15%. There would be an increase of the number of accidents with most severe or fatal injured persons by 2.0% and of accidents with severe injured persons by 7.0%, if the rip values would be reduced by minus 10 respectively 15%. The highest rates of reduction or increasing injury severity could be established for pedestrians and bicyclists.

Keywords: Active Safety; Injury Severity; Tires; Brake deceleration; Statistics

Cited Works (4)

Year	Entry
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Cited By (1)

Year	Entry
2020	Shang S. Pedestrian Whole Body Ground Contact Mechanisms and Head Injury Assessment Following Vehicle Impact [PhD thesis]. Trinity College Dublin; April 2020.