Develop Rapid New Tests for Detecting Poor Quality Binders and RAP Materials
| 项目名称： | Develop Rapid New Tests for Detecting Poor Quality Binders and RAP Materials |
| 摘要： | Asphalt binders are one of the most expensive and critical materials used in the construction of the roadways in Texas, costing taxpayers hundreds of millions of dollars annually. It has been widely recognized that asphalt binders with the same performance grade (PG) can perform very differently due to changes in crude source, refining processes used, modification technique, and other factors. Several districts recently reported early cracking issues with some mixes which had historically performed well, while other districts had mix design and quality assurance (QA) problems when the binder source was switched and/or a different recycled asphalt pavement (RAP) stockpile was used. Thus, the objective of this project is to develop rapid new tests for detecting poor quality binders and RAP materials. To achieve this objective, the research teams will review the literature to identify candidate tests that can be used for screening binders and RAP materials. The research teams will further refine the most promising tests using laboratory mixture performance tests as a benchmark. The research teams will also provide a standard test method and specification limit for each of the final test methods. |
| 状态： | Active |
| 资金： | 635611 |
| 资助组织： | Texas Department of Transportation |
| 管理组织： | Texas Department of Transportation |
| 项目负责人： | Steele, Joanne |
| 执行机构： | Texas A&M Transportation Institute<==>Center for Transportation Research |
| 主要研究人员： | Zhou, Fujie |
| 开始时间： | 20220901 |
| 预计完成日期： | 20241031 |
| 主题领域： | Construction；Highways；Maintenance and Preservation；Materials；Pavements |
相关文献
- Resistance of Asphalt Mixes with Recycled Materials to Withstand Extreme Temperatures
- Catalyst Regeneration of RAP-Binder in Asphalt
- Use of an Innovative Recycling Agent for Improving the Sustainability and Durability of Asphalt Pavements
- Characterization of Reclaimed Asphalt Pavement
- Effectiveness of Softening Agents for Enhancing Properties of Asphalt Mixes with High RAP Contents
- Synthesis of Information Related to Highway Practices. Topic 52-17. Use of Recycling Agents in Asphalt Concrete Mixtures
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