Abstract
In this research the moisture susceptibility and rutting resistance Stone mastic Asphalt containing amorphous carbon powder as filler material were investigated. Amorphous carbon powder was used as a replacement of the limestone filler by 25, 50, 75 and 100%. Performance of the mixtures was evaluated using indirect tensile strength and resilient modulus tests in dry and wet conditions, boiling water, dynamic creep and wheel track tests. The results revealed less moisture susceptibility of modified mixtures with 50% of carbon powder as filler compared to that of control mixtures. Moreover, using up to 50% of amorphous carbon improved the resilient modulus and rutting resistance of SMA mixtures without a considerable negative impact on the fracture energy.
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