ABSTRACT
The rubber is mixed with the aggregate preceding addition of asphalt mix. Since the mixture of the aggregates affects the strength of the concrete, only a small portion of the rubber is mixed with the aggregate. Compressive strength is the main problem of using rubber-based aggregate using a small portion of the aggregate alleviates the need for strength adding admixtures. Shape and size of the aggregate affects the mixture of the asphalt. A standard size aggregate having a size of ¼ inch helps avoids formation of voids. Since the invention of cars the disposing the rubber tires has been a problem. Common techniques like incinerating the rubber tire produce environmental concerns. Developing a way of recycling the discarded rubber tires like using it as a portion of a fine aggregate. Having something the decompose slowly creates wastes in the environment, if the research will prove to be feasible using rubber as aggregate rather than using rock aggregates that destroy rivers and mountains. The procedure using the rubber tire as the aggregate uses dry mixing technique for hot mix asphalt. The rubber tire, which is used in the concrete, is shredded and grounded to produce a fine type of aggregate. It is then mixed with the rock aggregate before the addition of asphalt. The mixture should be mixed thoroughly to remove the voids .The asphalt laid in the pavement must be rolled until it cooled. It is then monitored make sure that the cooling process will not create cracks.
