Comparison of the Shear Strength Parameters of TDA

Khaled Zahran, Hany El Naggar

In the proceedings of: GeoSt. John's 2019: 72nd Canadian Geotechnical Conference

Session: Laboratory Testing

ABSTRACT: The increase in the number of discarded tires from vehicles every year is becoming a major issue all over the world. Tires stockpiles and landfills have become a critical issue as it is a rich environment for the breeding of rats and insects, and it is also a real fire hazard that may take up to months to extinguish. One of the safest effective ways of recycling tires is that it gets used as Tire Derived Aggregates (TDA) in the construction industry as lightweight backfilling material and for embankments fills. However, to use any material in the construction industry, several material properties must be evaluated including the shear strength parameters. The main focus of this research is to study the effect of the particle size on the shear strength parameters of TDA using the large-scale direct shear machine. This is a research in progress and more results on other TDA sizes will be provided at the time of the conference.

RÉSUMÉ: L'augmentation annuelle du nombre de pneus mis au rebut par les véhicules devient un problème majeur dans le monde s mois à (TDA) dans l'industrie de la construction, en tant que matériau de remblayage léger et pour le remplissage de talus. Cependant, pour utiliser n'importe quel matériau dans l'industrie de la construction, plusieurs propriétés de matériau doivent être évaluées, y compris les paramètres de résistance au cisaillement. L'objectif principal de cette recherche est d'étudier l'effet de la taille des particules sur les paramètres de résistance au cisaillement du TDA à l'aide de la machine à cisaillement direct à grande échelle. Il s'agit d'une recherche en cours et d'autres résultats sur d'autres tailles d'TDA seront fournis au moment de la conférence.

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