Paper Title:

Performance of Asphalt Mixture Used for Asphalt Treated Base of Perpetual Pavements

Periodical Advanced Materials Research (Volumes 415 - 417)
Main Theme Advanced Materials, ICAMMP 2011
Chapter Chapter 8: Building Materials
Edited by Jinglong Bu, Zhengyi Jiang and Sihai Jiao
Pages 1531-1536
DOI 10.4028/www.scientific.net/AMR.415-417.1531
Citation Fu Ming Liu et al., 2011, Advanced Materials Research, 415-417, 1531
Online since December 2011
Authors Fu Ming Liu, Duan Yi Wang
Keywords Asphalt Mixture (AC), Asphalt Treated Base, High Asphalt Content, Performance Tests
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This paper presents the results of laboratory and performance tests for an asphalt treated base (ATB) and mixes developed in this study for perpetual asphalt pavements. Laboratory tests for the mixes included moisture susceptibility, wheel tracking and fatigue tests. The results of performance test indicated that the resistances of the high content binder ATB against moisture and fatigue damage were better than those of the lower one. It was also found from the full scale test sections that the tensile strain values at the bottom of the asphalt layer for the ATB sections were low when the asphalt layer thicknesses of the ATB sections were not thicker than those of the conventional sections. All the tensile strain values measured from the ATB sections were within the fatigue endurance limit of 70 microstrain which is the fatigue criterion of a perpetual asphalt pavement.