The fatigue performance of base asphalt mixture (AC-13), asphalt rubber mixture (ARAC-13), and SBS modified asphalt mixture (SBS-AC13) were characterized using four-point blending fatigue test. The fatigue performance comparison considering self-healing or not were performed between AC-13, ARAC-13, and SBS-AC13, which were prepared at certain designed air void for each kind of mixture. Besides, comparison between AC-13, ARAC-13, and SBS-AC13 with the same asphalt content was also conducted. Furthermore, wheel tracking test was conducted to characterize high temperature performance as supplementary. Fatigue life of ARAC-13 is much better than SBS-AC13 and AC-13 at designed air void whether or not self-healing is considered meanwhile self-healing capacity coincides with the fatigue life ranking. For mixtures with the same asphalt content, SBS-AC13 offers better fatigue performance over ARAC-13 whether or not self-healing is considered while ARAC-13 offers advantage over SBS-AC13 with respect to self-healing capacity. The fitted fatigue equations show that the fatigue life is sensitivity to strain, asphalt content, and air void whether self-healing is considered or not. The high temperature performance of ARAC-13 is a little better than that of SBS-AC13. In general, ARAC-13 is recommended considering its excellent fatigue performance and self-healing capacity, meanwhile its high temperature performance satisfies demand.


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    Titel :

    Comparison of the Fatigue Performance of Asphalt Mixtures Considering Self-Healing


    Beteiligte:
    Huang, Weidong (Autor:in) / Lin, Peng (Autor:in) / Huang, Ming (Autor:in)

    Kongress:

    2015 International Symposium on Frontiers of Road and Airport Engineering ; 2015 ; Shanghai, China



    Erscheinungsdatum :

    2015-10-22




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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