Analysis of Effects of High Temperature and Loading Frequency on Asphalt Binder

Abstract:

Based on the theory of viscoelasticity, the Dynamic Shear Rheology test is used as study method. Study subjects are AH70 asphalt, SBS modified asphalt and MAC modified asphalt. Study objective is to analyze the effects of both high temperature and loading frequency on asphalt binder in asphalt mixture. Results from studies have revealed that: At high temperature and low loading frequency, the elasticity of asphalt binder decreases or low possibility of strain recovery, rutting resistance parameter decreases or the risk of rutting increases; At high temperature and high loading frequency, the viscosity of asphalt binder decreases or the strain speed of asphalt binder increases; At low temperature and high loading frequency, the fatigue resistance parameter increases, in other words there exists high fatigue cracking potential.

• Periodical: Applied Mechanics and Materials (Volume 372)
• Pages: 314-317
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.372.314
• Online since: August 2013
• Authors: Phu Cuong Cao, Zhong Yin Guo, Yong Shun Yang, Zhi Chao Xue
• Keywords: Asphalt Binder, Dynamic Shear Rheology, High-Temperature, Loading Frequency, Viscoelasticity Theory

References

[1] Copyright by National Center for Asphalt Technology and Auburn University. Translated by Wang Yan, Hu Xudong and Cao Zhiyuan. Hot Mix Asphalt Materials, Mixture Design and Construction. China Communications Press, Beijing, (2009).

[2] SHRP-A-369 Binder Characterization and Evaluation Volume 3: Physical Characterization. Washington D.C., United States, (1994).

[3] Zhang Xiaoning. Principle and Application of Viscoelasticity Mechanics of Asphalt and Asphalt Mixture. China Communications Press, Beijing, (2006).

[4] Liu Lixin. Principle of Viscoelasticity Mechanics and Materials of Asphalt Mixture. China Communications Press, Beijing, (2006).