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MECHANISTIC EVALUATION OF TEST DATA FROM LONG-TERM PAVEMENT PERFORMANCE JOINTED PLAIN CONCRETE PAVEMENT TEST SECTIONS.
| 题名： | MECHANISTIC EVALUATION OF TEST DATA FROM LONG-TERM PAVEMENT PERFORMANCE JOINTED PLAIN CONCRETE PAVEMENT TEST SECTIONS. |
| 作者： | Jiang-YJ; Tayabji-SD |
| 关键词： | MECHANISTIC-ANALYSIS; TEST-RESULTS; LONG-TERM-PAVEMENT-PERFORMANCE; JOINTED-PLAIN-CONCRETE-PAVEMENTS; TEST-SECTIONS; FATIGUE-CRACKS; TRANSVERSE-CRACKING; PREDICTIONS-; COMPARISONS-; FIELD-DATA |
| 摘要： | Over the years, pavement engineers have attempted to develop rational mechanistic-empirical (M-E) methods for predicting pavement performance. In fact, the next version of AASHTO's "Guide for Design of Pavements" is planned to be mechanistically based. Many M-E procedures have been developed on the basis of a combination of laboratory test data, theory, and limited field verification. Therefore, it is important to validate and calibrate these procedures using additional data from in-service pavements. The Long-Term Pavement Performance (LTPP) program data provide the means to evaluate and improve these models. A study was conducted to assess the performance of some of the existing concrete pavement M-E-based distress prediction procedures when used in conjunction with the data being collected as part of the LTPP program. Fatigue cracking damage was estimated using the NCHRP 1-26 approach and compared with observed fatigue damage at 52 GPS-3 test sections. It was shown that the LTPP data can be used successfully to develop better insight into pavement behavior and to improve pavement performance. |
| 总页数： | Transportation Research Record. 1998. (1629) pp32-40 (6 Fig., 15 Ref.) |
| 报告类型： | 科技报告 |
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