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Advances in Materials Science and Engineering
Volume 2016 (2016), Article ID 1737013, 7 pages
http://dx.doi.org/10.1155/2016/1737013
Research Article

Development of a Full-Depth Wheel Tracking Test for Asphalt Pavement Structure: Methods and Performance Evaluation

1Key Laboratory of Highway Construction and Maintenance Technology of Ministry of Transport in Loess Region, Shanxi Transportation Research Institute, Taiyuan, Shanxi 030006, China
2School of Highway, Chang’an University, Xi’an, Shaanxi 710064, China

Received 18 August 2016; Revised 15 October 2016; Accepted 19 October 2016

Academic Editor: Luigi Nicolais

Copyright © 2016 Hui Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The rutting performance of asphalt pavement structure relies on the high temperature properties of asphalt mixture as well as the pavement structure and thickness. In order to investigate the influence of the structure and thickness, a full-depth wheel tracking test is developed in this research by improving the conventional wheel tracking test apparatus. The newly proposed test method is capable of varying its load speed and load size, controlling its specimen temperature gradient, and simulating the support conditions of actual asphalt pavement. The full-depth wheel tracking test based rutting performance evaluation of different asphalt pavement structures indicates that it is not reasonable to explain the rutting performance of asphalt pavement structure from the point of view of single-layer 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.