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      Effects of Test Conditions on APA Rutting and Prediction Modeling for Asphalt Mixtures

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      Advances in Materials Science and Engineering
      Hindawi Limited

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          Abstract

          APA rutting tests were conducted for six kinds of asphalt mixtures under air-dry and immersing conditions. The influences of test conditions, including load, temperature, air voids, and moisture, on APA rutting depth were analyzed by using grey correlation method, and the APA rutting depth prediction model was established. Results show that the modified asphalt mixtures have bigger rutting depth ratios of air-dry to immersing conditions, indicating that the modified asphalt mixtures have better antirutting properties and water stability than the matrix asphalt mixtures. The grey correlation degrees of temperature, load, air void, and immersing conditions on APA rutting depth decrease successively, which means that temperature is the most significant influencing factor. The proposed indoor APA rutting prediction model has good prediction accuracy, and the correlation coefficient between the predicted and the measured rutting depths is 96.3%.

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          Most cited references7

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          Effect of temperature reduction, foaming water content, and aggregate moisture content on performance of foamed warm mix asphalt

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            Laboratory Evaluation of Warm-Mix Asphalt Mixtures for Moisture and Rutting Susceptibility

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              Performance properties of rubberized stone matrix asphalt mixtures produced through different processes

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                Author and article information

                Journal
                Advances in Materials Science and Engineering
                Advances in Materials Science and Engineering
                Hindawi Limited
                1687-8434
                1687-8442
                2017
                2017
                : 2017
                :
                : 1-11
                Article
                10.1155/2017/2062758
                55fa717f-dab9-4dac-a5a8-972f298d97ff
                © 2017

                http://creativecommons.org/licenses/by/4.0/

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