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Application of Surface Energy Measurements to Evaluate Moisture Susceptibility of Asphalt and Aggregates.
| 题名： | Application of Surface Energy Measurements to Evaluate Moisture Susceptibility of Asphalt and Aggregates. |
| 作者： | lytton, r. arambula, e. bhasin, a. branco, v. c. howson, j. |
| 关键词： | damage assessment, adhesives, mastic, thickness |
| 摘要： | Moisture damage in asphalt mixtures can occur within the asphalt mastic (cohesive fracture) or at the aggregatemastic interface (adhesive fracture or failure). Whether or not a cohesive or adhesive failure occurs depends on the nature of the mastic and the relative thickness of the mastic. The majority of previous studies on this subject focused on the development of mixture tests and empirical parameters to quantify moisture sensitivity of asphalt mixtures. This project was conducted to attain fundamental understanding of the moisture damage process by carefully considering the mechanisms that influence durability of the adhesive interface between aggregate and asphalt and the cohesive strength and durability of the mastic. / NOTE: Project summary rept. / Supplementary Notes: See also PB2006-100880 and PB2007-110219. Sponsored by Texas Dept. of Transportation, Austin. Research and Technology Implementation Office. and Federal Highway Administration, Austin, TX. Texas Div. / Availability Note: Product reproduced from digital image. 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： | u0718；2p |
| 报告类型： | 科技报告 |
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