Recycled Unbound Materials
| 项目名称： | Recycled Unbound Materials |
| 摘要： | Most of the current and former research projects using recycled materials are based on laboratory material characterization and mix design. The research proposed in this pooled fund study seeks to validate many of the previous findings with field performance data. The design guide modeling performed at Texas A&M is also in need of field validation. There is some anecdotal evidence of existing recycled base materials, but this research would provide a controlled field experiment in which quantifiable results could be obtained. This research would also provide a good opportunity to revisit some of the environmental concerns and address ways to mitigate the ill effects of effluent from the recycled concrete base layer. This research will help broaden the application of mechanistic-empirical pavement design methods to the use of recycled materials. The objective of this study is to monitor the performance of several test cells at the Minnesota Road Research Facility (MnROAD) constructed using recycled materials in the granular base layers, including blended with virgin materials and 100% recycled asphalt and concrete pavement materials. The material properties will be monitored during construction and throughout the pavement life in order to determine their effects on pavement performance. The properties will be used to verify mechanistic-empirical design inputs, especially their variation with changing seasons and moisture regimes. |
| 状态： | Completed |
| 资金： | 349856.00 |
| 资助组织： | National Center for Freight and Infrastructure Research and Education (CFIRE) |
| 项目负责人： | Waidley, Greg |
| 执行机构： | University of Wisconsin, Madison |
| 开始时间： | 20080101 |
| 实际结束时间： | 20110630 |
| 主题领域： | Highways；Pavements；I30: Materials |
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