Experamental Study on Temperature Characteristic of Compound Crumb Rubber Modified Asphalt and Mixture

Abstract:

Compound crumb rubber modified asphalt is a mixture of crumb rubber powder, SBS modifier and the matrix asphalt that has improved road pavement performances in resisting high temperature deformation and low temperature crack. The application of abandoned auto tire in road construction is significant in environment protection by reducing pollution caused by waster tires and in developing circular economy in China. Based on the experimental results of temperature sweep test for compound crumb rubber modified asphalt and contrast test of bending creep for compound crumb rubber modified asphalt mixture and SBS modified asphalt mixture, the temperature dependent properties of compound modified asphalt and its mixtures are studied. The compound crumb rubber modified asphalt is preferable in improving the pavement performance against fatigue and permanent deformation in both high and low temperatures.

• Periodical: Advanced Materials Research (Volumes 446-449)
• Pages: 3647-3651
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.446-449.3647
• Online since: January 2012
• Authors: Lan Wang, Yong Ming Xing, Chun Qing Chang
• Keywords: Compound Crumb Rubber Modified Asphalt, Compound Crumb Rubber Modified Asphalt Mixture, Creep, Temperature Characterization

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