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Identification of Aggregates for Tennessee Bituminous Surface Courses. Phase 3; Final rept. 1 Apr 96-28 Feb 98
| 题名： | Identification of Aggregates for Tennessee Bituminous Surface Courses. Phase 3; Final rept. 1 Apr 96-28 Feb 98 |
| 作者： | Crouch, L. K.; Burgess, J.; Tucker, C. J.; Goodwin, W. A.; Knight, M. L. |
| 关键词： | Aggregates; Bituminous concretes; Skid resistance; Particle shape; Coarse aggregates; Tennessee; Polishing; Microstructure; Asphalt pavements |
| 摘要： | In 1992, the Tennessee Department of Transportation (TDOT) initiated a project to pair aggregate performance with the functional needs of the pavements (based on ADT) so that all Tennessee aggregate sources can be used most efficiently. The principal result of the project was a new aggregate polish resistance pre-evaluation procedure called the Tennessee Terminal Textural Condition Method (T3CM). In this evaluation, using twenty Tennessee and Kentucky aggregates,the T3CM was used to characterize aggregate polisy-resistance performance by comparing the results obtained on other aggregates to the results from proven field performers. The T3CM ranked five of six Tennessee proven performing siliceous limestones in the upper two performance categories. The test method had a coefficient of variation for aggregate ratings of less than one percent for a nine sample repeatability test. |
| 总页数： | 74p |
| 报告类型： | 科技报告 |
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