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Fatigue Life Characterization of Superpave Mixtures at the Virginia Smart Road. Final Contract Report.
| 题名： | Fatigue Life Characterization of Superpave Mixtures at the Virginia Smart Road. Final Contract Report. |
| 作者： | AL-QADI, I. L.; DIEFENDERFER, S. R.; LOULIZI, A. |
| 关键词： | *Asphalt-pavements; *Fatigue-life.;Hot-mix-paving-mixtures; Concretes-; Binders-Materials; Mixtures-; Compaction-; Highway-design; Virginia-; Road-materials; Performance-evaluation; Laboratory-tests. |
| 摘要： | Laboratory fatigue testing was performed on six Superpave HMA mixtures in use at the Virginia Smart Road. Evaluation of the applied strain and resulting fatigue life was performed to fit regressions to predict the fatigue performance of each mixture. Differences in fatigue performance due to field and laboratory production and compaction methods were investigated. Also, in-situ mixtures were compared to mixtures produced accurately from the job mix formula to determine if changes occurring between the laboratory and batch plant significantly affected fatigue life. Results from the fatigue evaluation allowed verification of several hypotheses related to mixture production and compaction and fatigue performance. |
| 报告类型： | 科技报告 |
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