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Belted or Not Belted: The Only Difference Between Two Matched Samples of 200 Car Occupants
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English
Abstract
This study aims at determining, with the maximum precision, the performance of the 3 point safety belt in different accident configurations, and more particularly in frontal collisions.
For this purpose, two matched samples were taken from a file of 3000 accidents, analysed by a multidisciplinary study group. These samples of 100 front seat occupants wearing seat belts, and 100 not wearing seat belts were made up in such a manner that, for every belted occupant, corresponds an occupant not wearing a belt, the one and the other being in equivalent circumstances, using the following factors:
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Make and type of the vehicle
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Seat occupied
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Age (as far as possible)
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Direction of impact
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Violence of the impact (same class of ▵V and mean γ)
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Possible intrusion of passenger compartment
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Possible overload caused by a rear seat occupant
Using this method of comparison, one can appreciate the effectiveness of the 3 point belt and explain the variations of effectiveness that appear in normal case studies.
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Authors
- F. Hartemann - Laboratory of Physiology and Biomechanics, Peugeot-Renault Association (France)
- C. Thomas - Laboratory of Physiology and Biomechanics, Peugeot-Renault Association (France)
- C. Henry - Laboratory of Physiology and Biomechanics, Peugeot-Renault Association (France)
- J-Y. Foret-Bruno - Laboratory of Physiology and Biomechanics, Peugeot-Renault Association (France)
- G. Faverjon - Laboratory of Physiology and Biomechanics, Peugeot-Renault Association (France)
- C. Tarrière - Laboratory of Physiology and Biomechanics, Peugeot-Renault Association (France)
- C. Got - Institute of Orthopaedical Research, Raymond Poincare Hospital (France)
- A. Patel - Institute of Orthopaedical Research, Raymond Poincare Hospital (France)
Citation
Hartemann, F., Thomas, C., Henry, C., Foret-Bruno, J. et al., "Belted or Not Belted: The Only Difference Between Two Matched Samples of 200 Car Occupants," SAE Technical Paper 770917, 1977, https://doi.org/10.4271/770917.Also In
References
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