Effects of High Early Strength Concrete Thermal Contraction, Shrinkage and Creep on Pavement Performance
| 项目名称： | Effects of High Early Strength Concrete Thermal Contraction, Shrinkage and Creep on Pavement Performance |
| 摘要： | This research is focused on the development of recommendations and guidance on the use of thin bonded concrete overlay of asphalt (BCOA) as a rehabilitation alternative for California based on the adoption of, and improvements to, the technology developed in other US states. The main tasks of this research include: (1) laboratory testing of four rapid-strength concrete mixes and a number of concrete-asphalt interfaces, (2) evaluation of the construction of a full-scale test track, (3) monitoring of the structural and hygrothermal responses of thin BCOA sections to the ambient environment, (4) accelerated pavement testing with the Heavy Vehicle Simulator (HVS) on eleven thin BCOA sections, (5) characterization of CTE variability under different humidity conditions, (6) understanding of tensile creep in concrete slabs, (7) characterization of micro-cracking in different high-early strength concrete mixes. Based on this testing and analysis, it was possible to obtain a better understanding of the mechanics of the structure of thin BCOA and of the roles of the different factors that determine thin BCOA performance. |
| 状态： | Active |
| 资金： | 30000 |
| 资助组织： | National Center for Sustainable Transportation<==>Office of the Assistant Secretary for Research and Technology |
| 项目负责人： | Iacobucci, Lauren |
| 执行机构： | National Center for Sustainable Transportation |
| 开始时间： | 20200101 |
| 预计完成日期： | 20211231 |
| 主题领域： | Construction；Design；Highways；Maintenance and Preservation；Materials；Pavements |
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