STP1147

    Laboratory Evaluation of Rutting Potential of Asphalt Mixtures

    Published: Jan 1992


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    Abstract

    This paper describes a laboratory procedure to evaluate the rutting potential of asphalt mixtures using a wheel tracking machine. Moving loads were applied through solid rubber tired wheels that travel with a reciprocating motion on slab specimens of asphalt mixtures. The specimens were prepared in parallepipedal steel molds by means of static compression to achieve fairly uniform density distribution within individual specimens. The machine allows rut tests to be conducted at different temperatures, magnitudes of applied loads, and speeds of loading. Results of a test program are reported to illustrate the application of the procedure to study the effects of temperature and loading speed on rut development in an asphalt mixture.

    Keywords:

    asphalt mixtures, rutting deformation, rut depth, rutting rate, wheel tracking machine


    Author Information:

    Fwa, TF
    Senior LecturersPrincipal Researchers, National University of Singapore, Kent Ridge,

    Tan, SA
    Senior LecturersPrincipal Researchers, National University of Singapore, Kent Ridge,


    Paper ID: STP24219S

    Committee/Subcommittee: D04.47

    DOI: 10.1520/STP24219S


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