A study was undertaken to investigate the influence of field aging on the fatigue performance of asphalt concrete and asphalt-rubber concrete. Two California mixes were investigated: conventional asphalt concrete dense graded (CAC-DG) and asphalt-rubber hot-mix gap graded (ARHM-GG). Laboratory fatigue tests were conducted on beam specimens obtained from a 10-year-old pavement section in southern California. Both stiffness and fatigue were determined using controlled-strain fatigue beam tests performed at 22°C and -2°C. Results were compared with published data for the original (unaged) materials. Stiffness and fatigue data were also used in pavement analysis to assess the influence of aging on predicted fatigue performance. Results indicate that field aging reduced the beam fatigue resistance of CAC-DG and, to a lesser extent, ARHM-GG. Aging effects on beam fatigue life were more severe at -2°C than at 22°C. The influence of aging on predicted pavement fatigue life depends not only on the stiffness of the mix and its fatigue properties but also on the stiffness or layer moduli of the pavement components. For new pavement construction and overlaid pavement sections, longer fatigue life predictions were obtained for ARHM-GG than CAC-DG for both aged and unaged conditions. Aging of CAC-DG could be detrimental to pavement fatigue. In comparison, aging of ARHM-GG showed increased fatigue life performance.


    Zugriff

    Download

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Field Aging Effects on Fatigue of Asphalt Concrete and Asphalt-Rubber Concrete


    Weitere Titelangaben:

    Transportation Research Record: Journal of the Transportation Research Board


    Beteiligte:
    Raad, Lutfi (Autor:in) / Saboundjian, Steve (Autor:in) / Minassian, George (Autor:in)


    Erscheinungsdatum :

    01.01.2001




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Field Aging and Binder Fatigue Performance of Intermediate Asphalt Concrete Layers Containing Reclaimed Asphalt Pavement

    Rahman, Mohammad A. / Harvey, John T. / Jiao, Liya et al. | Transportation Research Record | 2024

    Freier Zugriff


    Long-Term Oven-Aging Effects on Fatigue and Initial Stiffness of Asphalt Concrete

    Harvey, John / Tsai, Bor-Wen | Transportation Research Record | 1997


    Long-Term Oven-Aging Effects on Fatigue and Initial Stiffness of Asphalt Concrete

    Harvey, J. / Tsai, B.-W. / National Research Council; Transportation Research Board | British Library Conference Proceedings | 1997