Investigation of Synergistic Effects of Warm Mix Asphalt and High Fractionated Reclaimed Asphalt Pavement for Safe, Environmentally Sustainable Highway
| 项目名称： | Investigation of Synergistic Effects of Warm Mix Asphalt and High Fractionated Reclaimed Asphalt Pavement for Safe, Environmentally Sustainable Highway |
| 摘要： | Increasingly, warm mix asphalt (WMA) pavements are being constructed with reclaimed asphalt pavement (RAP) contents. Currently, 10-20% of RAP materials are commonly used for WMA. In the future, it is anticipated that more highway pavements will be constructed using WMA with high fractionated reclaimed asphalt pavement contents (WMA-HiFrap). However, there is no comprehensive research done to identify the synergistic effects between WMA and high fractionated RAP; therefore, it is critical to determine the relationships between the fundamental characteristics of WMA-HiFrap materials as a function of the increasing FRAP content up to 100%. In the project, WMA with varying HiFrap contents will be evaluated with respect to their fractionation methods, WMA-HiFrap mix design procedures, dynamic moduli and flow number and rutting characteristics. As a result of this research, the synergistic effects between WMA and RAP will be identified to help pavement engineers build a safe and environmentally sustainable U.S. surface transportation system with an improved state of good repair. |
| 状态： | Completed |
| 资金： | 46211.00 |
| 资助组织： | Research and Innovative Technology Administration |
| 执行机构： | University of Iowa, Iowa City |
| 开始时间： | 20120701 |
| 实际结束时间： | 20131231 |
| 主题领域： | Administration and Management；Design；Highways；Pavements；I30: Materials |
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