Accelerating Mix Designs for Base Materials
| 项目名称： | Accelerating Mix Designs for Base Materials |
| 摘要： | Stabilization of roadway or stockpile materials allows for enhancing strength and stiffness properties of pavement base layers to meet structural requirements in a cost-effective and sustainable manner. Historically, stabilization mixture design criteria relied on compressive strength results and, depending on the treatment and test method, could take nearly a month to complete. Additionally, the different treatments currently require different preparation, curing, and acceptance criteria. This project will develop a harmonized accelerated design procedure for base materials with the objective of producing an acceptable design recommendation within seven (7) days. This project will include stabilizer types such as cement, lime, lime-fly-ash, asphalt emulsion, and foamed asphalt, and will focus on rapid test turnaround time, lab curing techniques to rapidly simulate cured field conditions, inclusion of moisture susceptibility in the mix design, and performance-related design criteria. This project will develop recommended harmonized test procedures, suggested specification modifications as applicable, and perform training workshops. |
| 状态： | Active |
| 资金： | 381164 |
| 资助组织： | Texas Department of Transportation<==>Federal Highway Administration |
| 项目负责人： | Dassi, Martin |
| 执行机构： | Texas A&M Transportation Institute (TTI) |
| 开始时间： | 20190710 |
| 预计完成日期： | 20211031 |
| 主题领域： | Highways；Maintenance and Preservation |
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