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PERFORMANCE OF FLEXIBLE AND RIGID PAVEMENTS IN OHIO.
| 题名： | PERFORMANCE OF FLEXIBLE AND RIGID PAVEMENTS IN OHIO. |
| 作者： | Mukhtar-H; Abdulshafi-O |
| 关键词： | FLEXIBLE-PAVEMENTS; RIGID-PAVEMENTS; OHIO-; PAVEMENT-PERFORMANCE; COMPARISONS-; PREDICTIONS-; FIELD-PERFORMANCE; SERVICEABILITY-INDEX |
| 摘要： | Deviations in traffic and performance prediction parameters and overall standard deviations applicable to Ohio were determined. Pavement test sites were selected to represent the statewide distribution of pavement designs in Ohio, characterized by such factors as material type, functional classification, and different climatic and soil regions. Core samples were obtained and several laboratory tests were conducted to determine the as-constructed material properties and variability of the design input parameters. Comparison of predicted and observed performances based on approximately 4 years of data indicated that the AASHTO equation does not predict the performance of flexible pavements in Ohio. The predicted and the observed performances for rigid pavement sites were essentially the same, that is, no change in the observed and the predicted pavement serviceability index (PSI); however, these observations were based on short-term performance data. The overall variance estimates for flexible and rigid pavements were not obtained due to lack in the change of performance data for most sections. |
| 总页数： | Transportation Research Record. 1996. (1536) pp94-102 (2 Fig., 4 Tab., 5 Ref.) |
| 报告类型： | 科技报告 |
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