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Performance-Related Test for Asphalt Emulsions. Rept. for Mar 03-Jun 04.
| 题名： | Performance-Related Test for Asphalt Emulsions. Rept. for Mar 03-Jun 04. |
| 作者： | kee, d. d. abadie, c. d. hetzer, m. frederic, k. |
| 关键词： | *Asphalts-; *Emulsions-; *Rheology-.;Viscosity-; Rheometers-; Performance-; Tables-Data; Mathematical-models; Equations-. |
| 摘要： | Yield stress was investigated as a potential quality control parameter for asphalt emulsions. Viscometric data were determined using the concentric cylinder, parallel plate, and cone and plate geometries with rotational rheometers. We also investigated the use of a novel slotted plate technique to determine the yield stress in a direct way-that is to say, without extrapolation. The Saybolt 'viscosity' was determined with a Saybolt Viscometer following the AASHTO T 72-97 standard procedure. The slotted plate technique generated reproducible and consistent results that were far superior to those obtained by rotational rheometer techniques. The yield stress of the emulsions appears to be a more accurate measure of the performance specification for asphalt emulsions than the Saybolt 'viscosity' data. |
| 报告类型： | 科技报告 |
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