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Development of full depth wheel trace test for asphalt pavement structure: method and performance evaluation

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Document pages: 7 pages

Abstract: The rutting performance of asphalt pavement structure depends on the high temperature performance of asphalt mixture, pavement structure and thickness. In order to study the influence of structure and thickness, the full depth wheel tracking test is developed by improving the traditional wheel tracking test device. The new test method can change the load speed and load size, control the sample temperature gradient, and simulate the support conditions of the actual asphalt pavement. The rutting performance evaluation of different asphalt pavement structures based on full depth wheel trace test shows that it is unreasonable to explain the rutting performance of asphalt pavement structure from a single point of viewlayer asphalt mixture rutting performance. The developed full-depth wheel tracking test can be used to distinguish rutting performance of different asphalt pavement structures, and two of five typical asphalt pavement structures commonly used in Shanxi Province were suggested for use in practical engineering.

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