Studying Viscoelastic Properties of Asphalt Mixture Basing on CAM Model in the Full-Temperature-Full-Frequency Range

Abstract

In order to study viscoelastic properties of asphalt mixture, an advanced Shear Rheometer is used. The continuous dynamic frequency scanning test is carried out, which can get full-temperature-full-frequency master curve of asphalt mixture by the time-temperature equivalence principle. The CAM model acts as the rheological model for studying viscoelastic properties of asphalt mixture, because CAM model’s parameters have clear physical meaning. Then viscoelastic properties of asphalt mixture are studied basing on the four equations of CAM model in the full-temperature-full-frequency range.

Study on Transforming Dynamic Modulus Master Curve into Static Relaxation Modulus Master Curve Basing on the Relaxation Time Spectrum of Asphalt Mixture

“…The three types of asphalt mixture (AC-5) fine grades are shown in Table 2. In this study, the shear rheometer AR-2000 is used [8]. The dynamic viscoelastic functions master curves of asphalt mixture are got by continuous frequency sweep.…”