Volume 39, Issue 5 (September 2011)

    Correlation Analyses for Implementation of Binder Properties for Rut Potential Estimation of Asphalt Mixtures

    (Received 28 October 2010; accepted 15 April 2011)

    Published Online: 2011

    CODEN: JTEOAD

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    Abstract

    This study examined the relationship of three binder properties with three permanent deformation (rut) test data. The three binder properties include the stiffness (G*/sin δ) measured by dynamic shear rheometer, the large molecular size (LMS) ratio, measured by gel-permeation chromatography, and the absolute viscosity. The three rut tests at 60°C include the wheel tracking (WT), asphalt pavement analyzer (APA), and deformation strength (SD) tests on 28 hot-mix asphalt mixtures (two aggregates, two gradations and seven binders). The regression analyses showed the two binder properties (G*/sin δ and LMS) had very high correlation (R2>0.81) with the rut depth values of WT and APA, and with SD values. This is an indication that G*/sin δ and LMS are reliable properties that provide a reasonable estimation of the rut potential of asphalt mixtures. Prediction models for rut estimation were developed by multiple regression using binder properties and aggregate information. The predicted rut data were well fit (R2>0.92) to the measured rut data. Therefore, it was found that the two binder properties could be reliably used for the estimation of the rut potential of asphalt mixtures.


    Author Information:

    Kim, Sungun
    Researcher, Institute for Advanced Construction Materials, Kangwon National Univ., Chuncheon,

    Park, Jiyong
    Graduate Student, Dept. of Regional Infrastructures Engineering, Kangwon National Univ., Chuncheon,

    Kim, Kwang W.
    Professor, Dept. of Regional Infrastructures Engineering, Kangwon National Univ., Chuncheon,


    Stock #: JTE103530

    ISSN: 0090-3973

    DOI: 10.1520/JTE103530

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    Author
    Title Correlation Analyses for Implementation of Binder Properties for Rut Potential Estimation of Asphalt Mixtures
    Symposium , 0000-00-00
    Committee D04