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Application of Calibrated Mechanistic Fatigue Analysis with Aging Effects.
| 题名： | Application of Calibrated Mechanistic Fatigue Analysis with Aging Effects. |
| 作者： | GLOVER, C. J.; JUNG, S. H.; MARTIN, A. E.; PARK, E. S.; WALUBITA, L. F. |
| 关键词： | AGING (MATERIALS); FATIGUE ANALYSIS; HOT MIX ASPHALT CONCRETE |
| 摘要： | The work contained in this report constitutes Phase II of TxDOT Project 0-4468. Phase I is documented in Reports 0-4468-1 and 0-4468-2. The primary objective of Phase II was to provide additional laboratory validation and sensitivity analysis of the calibrated mechanistic with (CMSE) and without (CM) surface energy measurements fatigue analysis approaches recommended in Report 0-4468-2. The second objective was to provide a better understanding of the binder-mixture relationships and effects of binder oxidative aging on both mixture fracture properties and fatigue life (Nf). The third objective was to explore the possibility of establishing a surrogate fatigue test protocol based on the CMSE approach. These objectives were achieved through fatigue characterization of additional hot-mix asphalt concrete (HMAC) mixtures with different mix-design parameters and materials under varying laboratory aging exposure conditions. |
| 报告类型： | 科技报告 |
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