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Characterization of Asphalt Concrete Dynamic Modulus in South Carolina.
| 题名： | Characterization of Asphalt Concrete Dynamic Modulus in South Carolina. |
| 作者： | Amirkhanian, S.; Xiao, F.; Corley, M. |
| 关键词： | Asphalt pavement, Mechanistic-Empirical Pavement Design Guide (MEPDG), Pavement design, Mechanistic-empirical, Dynamic modulus, American Association of State Highway Officials (AASHO), National Cooperative Highway Research Program (NCHRP) |
| 摘要： | Many states around the country still use the 1972, 1986, or 1993 AASHTO Design Guides, which rely on empirical relationships between paving material properties and the structural performance of pavement layers. These empirical relationships were developed based on the 1950’s American Association of State Highway Officials (AASHO) Road Test data, which was the most comprehensive and most expensive test conducted to-date to investigate the performance of pavement structures of known thickness under various loading conditions. However, during the implementation of 1986 AASHTO Design Guide, the need for and benefits of a mechanistically-based pavement design procedure were recognized. In 2004, the National Cooperative Highway Research Program (NCHRP) Mechanistic-Empirical Pavement Design Guide (MEPDG) was completed and ultimately released to the public for review and evaluation. For years, SCDOT officials have considered adopting AASHTO’s new mechanistic-empirical design guide; however, this would require extensive local calibration. This research project was performed to characterize currently-used South Carolina HMA mixtures and develop a catalog for dynamic modulus value inputs to be used in the MEPDG software in South Carolina. |
| 报告类型： | 科技报告 |
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