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Behaviour of Human Surrogates Thorax under Belt Loading
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Sector:
Event:
Stapp Car Crash Conference
Language:
English
Abstract
To estimate the behaviour of the thorax of the human cadaver and Hybrid III a total of 33 belt impact tests were performed with the two surrogates. These tests have shown that the Hybrid III thorax is stiffer than that of the cadaver and that the internal thoracic deflection transducer may not necessarily record the maximum thoracic deflection. The belt load was lower value with the cadavers, which confirms the differences in stiffness. A belt force of 10 KN in the cadaver tests was associated with an average of 6 rib fractures. If we consider the relationship between the thoracic deflection and the number of rib fracture cadavers showing 5 or more rib fractures sustained an external thoracic deflection at least of 7.5 cm measured at the mid sternum.
The analysis of V*C parameter indicates an average V*C value of 0.77 for 6 rib fractures, and the values of V*C measured on Hybrid III are sligthly lower than those of cadaver tests.
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Authors
Topic
Citation
Cesari, D. and Bouquet, R., "Behaviour of Human Surrogates Thorax under Belt Loading," SAE Technical Paper 902310, 1990, https://doi.org/10.4271/902310.Also In
References
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- KROELL C.K. “Thoracic responses to blunt frontal loading” SAE Publication 67 1976
- L'ABBE R.J. DAINTY D.A. NEWMAN J.A. “An experimental analysis of thoracic deflection response to belt loading” 7th IRCOBI Conference 1982
- BACKAITIS S.H. ST LAURENT A “Chest deflection characteristics of volunteers and Hybrid III” 30th Stapp Car Crash Conference SAE paper n° 861884 - 1986
- VIANO D.C. LAU I.V. “Thoracic impact - A viscous tolerance criteria” GM Report N° GMR 5086 June 1985
- FAYON A. TARRIERE C. WALFISCH G. “Thorax of 3 point belt wearers during a crash” 19th Stapp Car Crash Conference SAE paper n° 751148 - 1975