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System for the Evaluation of Moisture Damage Using Fundamental Material Properties.
| 题名： | System for the Evaluation of Moisture Damage Using Fundamental Material Properties. |
| 作者： | howson, j. masad, e. a. bhasin, a. branco, v. c. arambula, e. |
| 关键词： | mastics, surface energy, aggregates, fracture mechanics |
| 摘要： | Moisture damage in asphalt mixtures can occur within the mastic (cohesive fracture) or at the aggregate-mastic 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. This report is part of a project that focused on fundamental understanding of the moisture damage process by carefully considering the micro-mechanisms that influence the adhesive interface between aggregate and asphalt and the cohesive strength and durability of the mastic. The first phase of the project focused on the validation of the surface energy measurements and the dynamic mechanical analysis (DMA) of mastics through the evaluation of the moisture susceptibility of materials with known field performance. The results of the first phase of this project were documented in TxDOT report 0-4524-2. The second phase of the project, which is documented in this report, focused on the evaluation of the surface energy and moisture susceptibility of wide combinations of aggregates and asphalts. / NOTE: Technical rept. (Sept. 2003-Aug. 2006). / Supplementary Notes: Sponsored by Texas Dept. of Transportation, Austin. Research and Technology Implementation Office. and 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： | u0718；188p |
| 报告类型： | 科技报告 |
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