Effect of Aging on the Low-Temperature Properties of Asphalt Mixture

Abstract:

This article studies the low-temperature anti-cracking properties of plain asphalt mixtures and rubber-modified asphalt mixtures at different aging condition. Laboratory flexural test was conducted on the beam specimens of plain asphalt mixtures and rubber-modified asphalt mixtures. Experiment results indicate that rubber-modified asphalt mixtures have superior low-temperature anti-cracking performance than that of plain asphalt mixtures. Compared with the short term oven aging test, the long term oven aging test has more significant effect on the low-temperature anti-cracking of the mixture. In order to better represent the low-temperature anti-cracking of in-service aging asphalt pavement, the long term oven aging test should be used to appraise the low-temperature anti-cracking of asphalt pavements in china.

• Periodical: Applied Mechanics and Materials (Volumes 438-439)
• Pages: 383-386
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.438-439.383
• Online since: October 2013
• Authors: Ning Li Li, Xin Po Zhao, Cai Li Zhang, Qing Yi Xiao, Hu Hui Li
• Keywords: Aging, Low-Temperature Anti-Cracking, Plain Asphalt Mixture, Rubber-Modified Asphalt Mixture

References

[1] JTG E20-2011, Standard Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering, China Communications Press, Beijing, (2011).

[2] J. Shen, Pavement Performance of Asphalt and Asphalt Mixture, China Communications Press, Beijing, (2001).

[3] H. Zeng, On the low temperature cracking of asphalt pavements, PhD thesis, Royal Institute of Technology, TRITA-IP FR 95-7, Stockholm, (1995).

[4] Y. Zhang, Asphalt mixture's crack resistance at low temperature and asphalt mixture design method in perennially frozen soil zone, Master Degree Thesis, Chang'an University, Xi'an, (2004).

[5] A. Shen, Road Engineering Materials, China Communications Press, Beijing, (2010).