Synthesis of Information Related to Highway Practices. Topic 50-14. Practices for Fabrication Asphalt Specimens for Testing in Laboratories
| 项目名称： | Synthesis of Information Related to Highway Practices. Topic 50-14. Practices for Fabrication Asphalt Specimens for Testing in Laboratories |
| 摘要： | Performance testing of asphalt mixtures is becoming more widespread for a variety of reasons and with a variety testing devices. The tests results are sensitive to the preparation of the specimens. Guidelines exist for conducting the tests, however they do not all provide uniform or comprehensive direction for fabricating test specimens. Detailed ruggedness studies identifying critical sources of variability have rarely been conducted in this area. Therefore, individual laboratories follow their own procedures where the standards are not specific. The objective of this synthesis is to document state departments of transportation (DOTs) procedures with respect to laboratory fabrication of asphalt performance test specimens. For the purpose of this synthesis fabrication begins with a mixture and results in a prepared test specimen. Information will be gathered through literature review, survey of state DOTs and targeted non-DOT entities, and interviews with selected entities for the preparation of case examples. The DOT survey should be directed to the voting member of the AASHTO Committee on Materials and Pavements (COMP). Knowledge gaps and suggestions for research that could address those gaps will be identified. |
| 状态： | Active |
| 资金： | 45000 |
| 资助组织： | Federal Highway Administration |
| 项目负责人： | Gause, Jo Allen |
| 执行机构： | University of New Hampshire, Durham |
| 主要研究人员： | Daniel, Jo Sias |
| 开始时间： | 20181030 |
| 预计完成日期： | 0 |
| 实际结束时间： | 0 |
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