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Design and Construction of NDOT 2001-2003 Superpave Test Sections.
| 题名： | Design and Construction of NDOT 2001-2003 Superpave Test Sections. |
| 作者： | sebaaly, p. e. dunn, m. hitti, e. |
| 关键词： | *Pavement-tests; *Performance-tests.;Nevada-; Binders-; Field-tests; Performance-evaluation; Construction-; Aggregates-; Asphalt-pavements; Design-. |
| 摘要： | Based on the field performance of several Superpave mixtures throughout the state of Nevada during the 1990's, NDOT decided modify the Superpave volumetric mix design method and construct two test sections side-by-side with the conventional NDOT Hveem mixtures. The modifications of the Superpave volumetric mix design included: (a) eliminate the restricted zone requirement on aggregate gradation; (b) include a minimum requirement on Hveem stability; (c) verify potential performance in rutting with the APA; and (d) include a minimum dry tensile strength of 65 psi and a retained tensile strength ratio of 70%. Using the modified Superpave volumetric mix design, NDOT constructed three test sections: tow on I-80 in the northern part of the state in 2001 and 2003 and one on I15 in the southern part of the state in 2002. Each test section was built as part of a Hveem designed project which will allow for the direct comparison of the performance of mixtures designed with the modified Superpave and NDOT Hveem methods. This report summarizes the mix designs data and construction activities of the Superpave and Hveem sections within each project. Samples were obtained during the construction of the test sections. |
| 报告类型： | 科技报告 |
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