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Understanding Mechanism of Raveling to Extend Open Graded Friction Course (OGFC) Service Life, Summary Report.
| 题名： | Understanding Mechanism of Raveling to Extend Open Graded Friction Course (OGFC) Service Life, Summary Report. |
| 作者： | Arambula-Mercado, E.; Hill, R. A.; Caro, S.; Manrique, L.; Park, E. S.; Fernado, E. |
| 关键词： | Open graded friction, Permeable friction course (PFC), Finite element (FE) method, Pavement performance, Computed tomography (CT), Numerical modeling method, Moisture susceptibility, Raveling, Asphalt concretes |
| 摘要： | A road’s topmost layer, the friction layer, is literally where the rubber meets the road. The condition of this layer is important for vehicles to maintain proper traction. On high speed roadways, an open-graded friction course (OGFC) is used to reduce hydroplaning by draining water from the roadway quickly. However, this moisture can accelerate the deterioration of the friction layer in the form of raveling. Raveling is one of the leading forms of deterioration for OGFC mixtures, and is often seen as linear patches that are partially bare or potholes. These areas then have a tendency to gather water and other debris, reducing traction and potentially leading to hydroplaning. |
| 总页数： | Arambula-Mercado, E.; Hill, R. A.; Caro, S.; Manrique, L.; Park, E. S.; Fernado, E. |
| 报告类型： | 科技报告 |
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