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EVALUATION OF MEASUREMENT TECHNIQUES FOR ASPHALT PAVEMENT DENSITY AND PERMEABILITY.
| 题名： | EVALUATION OF MEASUREMENT TECHNIQUES FOR ASPHALT PAVEMENT DENSITY AND PERMEABILITY. |
| 作者： | Prowell-BD; Dudley-MC |
| 关键词： | Asphalt-pavements; Corelok-device; Correlation-analysis; Density-; Field-tests; Laboratory-tests; Measuring-instruments; Nuclear-density-gages; Permeability-; Permeameters-; Quality-control |
| 摘要： | A pavement quality indicator device developed through a National Cooperative Highway Research Program (NCHRP) project, the Corelok device, and laboratory and field permeability index devices were evaluated for their potential to improve the Virginia Department of Transportation's density specification or to be designated for use in a replacement specification. Fifteen samples were taken from six projects representing three nominal maximum aggregate sizes. Densities measured by a nuclear gauge correlated well with core densities measured in accordance with American Association of State Highway and Transportation Officials (AASHTO) T166 and by the Corelok device. Pavement quality indicator readings appeared to be repeatable but did not correlate with the densities measured in accordance with AASHTO T166 or with the Corelok device. A fair correlation was obtained for two projects. Laboratory permeability and field permeability indices were correlated with pavement density. A good correlation was found between the laboratory permeability and field permeability indices. The relationship appears to be linear in the range agencies typically specify. |
| 总页数： | Transportation Research Record. 2002. (1789) pp36-45 (14 Fig., 4 Tab., 11 Ref.) |
| 报告类型： | 科技报告 |
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