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Accelerated Testing of Ohio SHRP Sections 390101, 390102, 390105, and 390107.
| 题名： | Accelerated Testing of Ohio SHRP Sections 390101, 390102, 390105, and 390107. |
| 作者： | sargand, s. m. edwards, w. |
| 关键词： | *Asphalt-concretes; *Roads-; *Accelerated-tests.;Ohio-; Asphalt-pavements; Highway-construction; Load-transfer; Monitoring-; Temperature-; Moisture-; Frost-; Sensors-; Deflection-; Performance-tests; Rutting-; Test-facilities. |
| 摘要： | The Ohio SHRP Test Road was constructed to provide data for 40 sections in the LTPP SPS-1, 2, 8 and 9 experiments under specific traffic, environmental and soil conditions existing at one site in Ohio. Sensors were installed at the time of construction to continuously monitor subsurface temperature, moisture and frost in eighteen sections, and to measure dynamic strain, deflection and pressure response in thirty-three sections during controlled vehicle testing. Falling Weight Deflectometer (FWD) measurements provided additional dynamic deflection data. Four SPS-1 sections which showed early distress on the test road were reconstructed at the Accelerated Pavement Loading Facility (APLF) in Lancaster Ohio. Response measurements in the APLF included FWD, and strain and deflection readings from sensors mounted similarly to those installed on the test road. Performance was gauged by surface rutting which was monitored periodically in the APLF as rolling wheel loads were applied at various combinations of temperature and load. This project compared response and performance on these four SPS-1 sections at the two facilities. |
| 报告类型： | 科技报告 |
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