Abstract
Over one million tons of electric arc furnace slag (EAF) wastes per year is produced just in Mobarakeh Steel Company of Isfahan (MSC). According to large number of steel making factories all around the world, in recent years many researches have been done to minimize environmental impacts of these wastes by using them again in production of different materials like recycled structural concrete or hot mix asphalt concrete (HMAC). In this research EAF slag wastes which were produced by Mobarakeh Steel Company (MSC) in Iran, were applied to produce an environmental friendly HMAC. Marshall stability and flow tests, indirect tensile strength test and resistance to moisture damage test were performed on specimens. Results showed that by optimizing combined gradation of HMAC mixtures containing EAF slags as fine aggregate and crushed stone as medium and coarse aggregate a relatively moisture resistant mixture with significant increase in Marshall stability and indirect tensile strength can be gained preserving asphalt cement content in same ratio and flow test result almost the same.
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