EFFECT OF THE MORPHOLOGY OF SBS MODIFIED ASPHALT ON MECHANICAL PROPERTIES OF BINDER AND PERFORMANCE OF MIXTURE

Abstract

t: SBS-modified asphalt is finding widespread application as a binder for high Abstrac performance mixtures, and porous mixtures , etc. The performances of mixtures are greatly affected by the morphology of SBS. In this study, we made trial SBS-modified asphalt products of varying morphologies and clarified the relation of the dispersed conditions of SBS-modified asphalt to its performance and storage stability as the binder and mechanical properties of asphalt mixtures. As a result, we could show the morphology of SBS-modified asphalt required to ensure its proper performance. polymer modified asphalt morphology storage stability flexural test of Key Words: ， ， ， ， ， binder porous asphalt mixture