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Study of Factors Affecting the Permeability of Superpave Mixtures in Kansas. Final rept. Sep 2000-Jul 2004.
| 题名： | Study of Factors Affecting the Permeability of Superpave Mixtures in Kansas. Final rept. Sep 2000-Jul 2004. |
| 作者： | gogula, a. k. hossain, m. romanoschi, s. a. |
| 关键词： | *Hot-mix-paving-mixtures; *Pavements-; *Permeability-.;Air-voids; Asphalt-concrete; Performance-evaluation; Materials-tests; Road-materials; Highway-construction; Percolation-; Water-; Laboratory-tests; Field-tests; Kansas-. |
| 摘要： | Permeability influences the performance of Superpave pavements. Percolation of water through interconnected voids of an asphalt pavement causes stripping of the asphalt-bound layer(s) as well as deterioration of the foundation layers. Laboratory (falling head) permeability tests were conducted on different Superpave mixtures with 19 mm and 12.5 mm nominal maximum aggregate sizes (NMAS), and coarse and fine gradations, to identify factors that affect the permeability of these mixtures in Kansas. Hamburg wheel tests were performed to study rutting and stripping potential of these mixtures. Field permeability tests were also conducted on different projects with 19 mm and 12.5 mm NMAS Superpave mixtures in order to study the correlation between laboratory-measured and field permeability values. |
| 报告类型： | 科技报告 |
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