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The asphalt mix of pre-mixed type can be a technical, economical and environmental alternative for asphalt mixtures of the HMA (Asphalt Mixture Hot) type. However, the low mechanical resistance of the PMF (Pre-Mixed Cold) produced with the conventional materials only serves for low traffic load. The mechanical behavior can technically be improved with a steel slag, which is an alternative for aggregates of mineral origin with a material resistance and RJ has a premixed cold mixing production plant and in the same the city hall place is also located in Company Steelworks  CSA, which has great interest in a destination for the residual material of its steel production, the steel slag, which has a in large dimension deposits. In order to evaluate the contribution of the steel slag in the PMF, the mixtures with conventional emulsion and polymer modified were submitted to resistance test and mechanical behavior. The PMF mixture was applied in two stretches of the west zone of RJ and after execution were evaluated for deflection and extracted test specimens for resistance verification. The results obtained served the load requests for medium traffic roads.

Pré-misturado a frio contendo escória de aciaria: Uma alternativa viável para construção de pavimentos