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Initial Development of a Calibrated Mechanistic Approach and Associated Surrogate Test Protocols for HMAC Mixture Fatigue Characterization.
| 题名： | Initial Development of a Calibrated Mechanistic Approach and Associated Surrogate Test Protocols for HMAC Mixture Fatigue Characterization. |
| 作者： | walubita, l. f. martin, a. e. jung, s. h. glover, c. j. |
| 关键词： | 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 hot mix asphalt concrete (HMAC) mix design to preclude rutting in the early life of pavements. However, these rut-resistant stiff mixtures may be susceptible to long-term fatigue cracking due to oxidative aging. This project completed initial development of an HMAC mixture fatigue design and analysis system and associated surrogate fatigue tests to ensure adequate mixture fatigue performance in a particular pavement structure under specific environmental and traffic loading conditions. In addition, researchers compared the fatigue resistance of commonly used TxDOT HMAC mixtures and investigated the effects of binder oxidative aging on fatigue performance. / NOTE: Project summary rept. / Supplementary Notes: See also PB2006-110687, PB2006-105538, and PB2006-114555. Sponsored by Federal Highway Administration, Austin, TX. Texas Div. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0709；4p |
| 报告类型： | 科技报告 |
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- Application of Calibrated Mechanistic Fatigue Analysis with Aging Effects.
- Comparison of Fatigue Analysis Approaches for Two Hot Mix Asphalt Concrete (HMAC) Mixtures. Technical rept. (Sept 2002-Aug 2004).
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- Preliminary Fatigue Analysis of a Common TxDOT Hot Mix Asphalt Concrete Mixture. Technical rept. (Sept 2002 - April 2004).
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