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Evaluation of rutting performance of asphalt mixture with driving wheel pavement analyzer

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Document pages: 10 pages

Abstract: Rutting is a common pavement disease, which leads to the reduction of ride comfort and high maintenance cost. One of the commonly used tests is the simulation test of wheel tracking device. Here, a new rutting test system based on "driving wheel pavement analyzer " (dwpa) is developed to evaluate the rutting performance of asphalt mixture. In this study, three rutting tests were carried out to verify the feasibility, reliability and accuracy of dwpa test. The results show that dwpa test provides more information about rutting, so that we can distinguish the properties of materials. This index is more suitable to reflect the rutting resistance of materials. According to the grey theory, this index is highly correlated with APA rutting index and China rutting test indexelational analysis results.

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