The purpose of this study is to evaluate and compare the properties of control and modified asphalt mixtures. Two polymers such as styrene butadiene styrene (SBS) and ethylene vinyl acetate (EVA) were used as modifiers, and mixes with different percentages of polymers were prepared by mixing with 60/70 penetration grade unmodified bitumen. Marshall samples were prepared using the modified and unmodified binders and the effect of SBS and EVA on the mechanical properties of the hot mix asphalt has been determined in terms of stability, flow, indirect tensile strength, and rutting resistance. Test results indicated that the polymer modification improved the conventional properties such as penetration, softening point, and temperature susceptibility. It was also conducted that the stability values related to SBS modified specimens increased with an increase in SBS content compared to the control specimens. While, the stability values for EVA modified specimens are smaller than the stability values of the control specimens. Finally, it was observed that the rutting resistance of the modified mixtures for both of polymer modified binders were higher than the control mixtures
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