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Density of Longitudinal Construction Joints in Asphalt Concrete Pavements: Is There a Problem.
| 题名： | Density of Longitudinal Construction Joints in Asphalt Concrete Pavements: Is There a Problem. |
| 作者： | ESTAKHRI, C. K.; FREEMANN, T. J.; SPIEGELMAN, C. H. |
| 关键词： | *Highway-construction; *Pavement-joints; *Density-measurement; *Hot-mix-paving-mixtures.;Bituminous-concretes; Field-tests; Texas-; US-FAA; Flexible-pavements; Asphalt-concretes. |
| 摘要： | When placing hot-mix asphalt concrete (HMAC), paving the full width of the pavement in a single pass is usually impossible; therefore, most bituminous pavements contain longitudinal construction joints. These construction joints can often be inferior to the rest of the pavement and can eventually cause an otherwise sound pavement to deteriorate. The Texas Department of Transportation (TxDOT) specifications do not address compaction in the vicinity of the longitudinal construction joints. For this reason, it is presumed that there is poor compaction in the vicinity of the longitudinal construction joints, resulting in increased permeability, decreased density, and decreased performance of HMAC. |
| 报告类型： | 科技报告 |
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