Rheological Properties of Asphalt Mixtures for Bridge Pavements

Abstract

This paper presents the laboratory test results of rheological properties of asphalt mixtures for bridge pavements. The research plan included typically used asphalt mixtures - asphalt concrete (AC) and stone mastic asphalt (SMA). A new type of mixtures, SMA-MA, were also tested. These mixtures were tested for their stiffness in different temperatures and varied frequencies. The following parameters were identified - dynamic modulus and phase angle. The results of this research proved that these types of asphalt mixtures affect the viscoelastic properties and durability of bridge pavements.