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  • Test method to determine the degree of asphalt stripping from aggregates

    Creator:
    Boudreau, Richard L.
    Abstract:
    Moisture damage has long been recognized as one of the most critical factors influencing the performance of asphalt concrete (AC) pavements. This moistureinduced damage occurs from either the physical separation of the asphalt film from the aggregate or the softening of the asphalt binder within the AC mixture in the...
    Resource Type:
    Masters Thesis
    Full Text:
    of asphalt concrete (AC) pavements. This moistureinduced damage occurs from either the physical

  • Development of a test procedure for water sensitivity of asphalt concrete mixtures

    Creator:
    Al-Swailmi, Saleh H.
    Abstract:
    Environmental factors such as temperature, air, and water can have a profound effect on the durability of asphalt concrete mixtures. In mild climates where good quality aggregates and asphalt cement are available, the major contribution to deterioration may be due to traffic loading and the resultant distress is manifested in...
    Resource Type:
    Dissertation
    Full Text:
    influencing the water sensitivity of asphalt concrete mixtures; and (2) development of laboratory testing

  • Evaluation of water damage on asphalt concrete mixtures using the environmental conditioning system

    Creator:
    Al-Joaib, Ali Abdulla
    Abstract:
    Asphalt concrete pavement is subjected to several damaging actions from traffic loads, water (from precipitation and/or groundwater sources), and temperature. The durability of the asphalt-aggregate mixture, its ability to withstand these damaging actions for long periods, is a very important engineering property. While the durability of the asphalt-aggregates mixture depends...
    Resource Type:
    Dissertation
    Full Text:
    Evaluation of water damage on asphalt concrete mixtures using

  • The effect of mixing moisture, oxidative aging and tire pressures on the performance of asphalt mixes

    Creator:
    Kim, Ok-kee
    Abstract:
    The research undertaken consisted of the study of three topics affecting the performance of asphalt concrete mixtures, that is, mixing moisture, oxidative aging and higher tire pressures and axle loads. This thesis presents the findings of the research comprising these three topics. In the first study, the effects of mixing...
    Resource Type:
    Dissertation
    Full Text:
    affecting the performance of asphalt concrete mixtures, that is, mixing moisture, oxidative aging and

  • Evaluation of polymer modified asphalt in hot mix pavements

    Creator:
    Ifft, Charles
    Abstract:
    Polymer modified asphalts have recently been the focus of much attention in the U.S. due to claims that polymer additives will lengthen the life of an asphalt pavement. Much of the published research on this topic has been concentrated on the effects of polymer modifiers on binder and mixture properties....
    Resource Type:
    Masters Thesis
    Full Text:
    modifiers on binder and mixture properties. The goal of this testing is to predict from laboratory testing

  • Development of performance based test procedures for asphalt mixtures

    Creator:
    Kliewer, Julie E.
    Abstract:
    In 1987, Congress authorized a 5 year $150 million dollar research program called the Strategic Highway Research Program (SHRP). SHRP was divided into four major areas, including the asphalt research program. The asphalt research program was divided into six major research contracts, one such contract, SHRP-003A was called Performance Related...
    Resource Type:
    Dissertation
    Full Text:
    , SHRP-003A was called Performance Related Testing and Measuring of Asphalt Aggregate Interaction and

  • Development of the simplified method to evaluate dynamic mechanical analysis data on asphalt-aggregate mixtures

    Creator:
    Ab-Wahab, Yunus Bin
    Abstract:
    Testing of asphalt binders and asphalt-aggregate mixtures using dynamic mechanical analysis is becoming popular with improvements in high-speed computers, precision equipment, and computer software. Researchers are trying to describe the behavior of asphalt binders and asphalt-aggregate mixtures in terms of their time- and temperature-dependent linear viscoelastic behavior. The objectives of...
    Resource Type:
    Dissertation
    Full Text:
    applicable for dynamic testing of asphalt (Brodnyan, 1958; Dickinson and Witt, 1974) and asphalt concrete