Synthesis of Information Related to Highway Problems. Topic 47-13. Relationship Between Chemical Makeup of Asphalt Binders and Engineering Performance
| 项目名称： | Synthesis of Information Related to Highway Problems. Topic 47-13. Relationship Between Chemical Makeup of Asphalt Binders and Engineering Performance |
| 摘要： | The engineering properties of asphalt binders are dictated by their chemical makeup. The chemical makeup of any particular asphalt binder and its concomitant properties are dependent on the crude source, the process parameters used during binder production, and the chemical, polymer or other additives used to process the asphalt binder to achieve target specification requirements. During the past few decades there has also been an increase in the use of post-production modifiers that further influence the properties and performance of the asphalt binder. Furthermore, the chemical makeup and concomitant engineering properties of the binder continually change with time for years after being placed in service. There are number of factors and variables that influence the chemical composition and ultimately the engineering properties of a binder used in pavement applications. It is important that the users most closely working with the binders have a strong working knowledge of the relationship between binder chemistry and engineering properties. This knowledge can help departments of transportation (DOTs) and practicing engineers make more informed choices with regards to selection of binders and post-production additives and modifiers and avoid potentially expensive mistakes. Also, researchers might develop more informed methods to design binder modifiers and additives that will result in low-cost and high performance binders for specific applications. An updated synthesis of information in this area will include a literature review and a survey of state departments of transportation and Canadian ministries of transportation. Late 1990's Strategic Highway Research Program (SHRP) research that investigated the relationship between binder chemistry and engineering properties will be documented and international agencies' experience will be reviewed as available. From the results of the survey, a minimum of 3 agencies will be selected and case examples of their practices will be shared. Lessons learned and gaps in information will also be covered. |
| 状态： | Proposed |
| 资金： | 45000.00 |
| 资助组织： | National Cooperative Highway Research Program |
| 项目负责人： | Vlasak, Donna L |
| 开始时间： | 20150701 |
| 预计完成日期： | 0 |
| 实际结束时间： | 0 |
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