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Preliminary Fatigue Analysis of a Common TxDOT Hot Mix Asphalt Concrete Mixture. Technical rept. (Sept 2002 - April 2004).
| 题名： | Preliminary Fatigue Analysis of a Common TxDOT Hot Mix Asphalt Concrete Mixture. Technical rept. (Sept 2002 - April 2004). |
| 作者： | CHOWDHURY, A.; GLOVER, C. J.; JUNG, S. H.; LYTTON, R. L.; MARTIN, A. E.; PARK, E. S.; WALUBITA, L. F. |
| 关键词： | *Hot-mix-paving-mixtures; *Asphalt-pavements; *Fatigue-tests.;Aging-; Asphalt-concretes; Design-; Road-materials; Texas-; Cracking-Fracturing; Aggregates-; Moisture-content; Damage-assessment; Rutting-; Performance-evaluation. |
| 摘要： | Over the past decade, the Texas Department of Transportation (TxDOT) focused research efforts on improving mixture design to preclude rutting in the early life of the pavement, which also offered increased resistance to moisture damage, but fatigue cracking may surface in the long term particularly if the binder stiffens excessively due to aging. The primary goal of this project is to evaluate and recommend a fatigue analysis system for TxDOT designs to ensure adequate mixture fatigue performance in a particular pavement structure under specific environmental and loading conditions. A secondary goal of comparing fatigue resistance of commonly used TxDOT mixtures including investigating the effects of aging will also be realized. Two fatigue analysis approaches, the mechanistic empirical (ME) and the calibrated mechanistic (CMSE) with surface energy measurements, based on one common TxDOT mixture including the effects of aging are presented in this interim report. |
| 报告类型： | 科技报告 |
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