Abstract
The objectives of this paper are studying the viscosity characteristics of asphalt binders containing different additives, ethylene vinyl acetate, polypropylene, and hydrated lime, and the influence of varying mixing and compaction temperatures on the engineering properties of the corresponding mixtures. The engineering properties of the asphalt mixtures were investigated using the indirect tensile strength, moisture damage evaluation, and volumetric properties (in terms of the air void content). Based on the viscosity results, the non-Newtonian behavior of the asphalt binders prevails with the increase in the concentration of polymers and hydrated lime, thus the setting of the production temperatures using the equiviscous principle would be expected to be rather inaccurate. The variation in the production temperatures affected the engineering properties of the asphalt mixtures. It is recommended that a revision of the production temperatures from different methods be undertaken to satisfy the desired engineering properties for different conditions.
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