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Reduction of Rutting and Fatigue Cracking under Heavy Vehicle Loads and Backcalculation of Layer Moduli. Volume 1; Final rept
| 题名： | Reduction of Rutting and Fatigue Cracking under Heavy Vehicle Loads and Backcalculation of Layer Moduli. Volume 1; Final rept |
| 作者： | Baladi, G. Y.; Harichandran, R.; Mukhtar, H.; Mahmood, T. |
| 关键词： | Axle loads; Flexible pavements; Cracking(Fracturing); Asphalts; Bituminous concretes; Fatigue(Materials); Wheel loads; Mixtures; Aggregates |
| 摘要： | The objectives of this research study are to: Determine the asphalt mix properties (i.e. percent aggregate, sand and fine, aggregate angularity, binder type and content, and percent air content) that affect pavement rutting and fatigue cracking; Model the rut and fatigue cracks as functions of the asphalt mix properties, traffic load and volume, and the pavement cross-section; Recommend changes in the existing asphalt mix design, and construction practices to decrease rut and fatigue cracking potentials; and Develop an accurate, user-friendly, mechanistic computer program for the backcalculation of layer moduli. |
| 总页数： | 144p |
| 报告类型： | 科技报告 |
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