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ASPHALT BINDERS.
| 题名： | ASPHALT BINDERS. |
| 作者： | Anderson-D; Youtcheff-J; Zupanick-M |
| 关键词： | ADDITIVES-; ASPHALT-; BINDERS-; PROCESSING-MATERIALS; PROPERTIES-OF-MATERIALS; REFINING- |
| 摘要： | About 95% of the paved roads in the United States are surfaced with asphalt, and most are produced using hot-mix construction. Hot-mix pavements consist of one or more compacted layers that contain (volumetrically) about 80% mineral aggregate, 15% asphalt binder, and 5% air voids. In the United States, the asphalt binder component is valued at approximately $3 billion/year and can have a disproportionately large impact on overall pavement performance. The asphalt binder functions as an inexpensive, waterproof, thermoplastic adhesive. In its most common form, asphalt binder is simply the residue from petroleum refining. To achieve the necessary properties for paving purposes, binders must be produced from a carefully chosen crude oil blend, and processed to an appropriate grade. For a few applications, additives (usually polymers) are blended or reacted with the binder to enhance its properties. Further details are provided in this paper. |
| 总页数： | Transportation in the New Millennium. 2000. pp6 |
| 报告类型： | 科技报告 |
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