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Studies Refine Aggregate Specs

Published Saturday, July 01, 2000

Superpave is here to stay. But, the aggregate consensus properties that have been a point of contention between Superpave purists and many aggregate producers may change. Ongoing research is refining aggregate characterization and establishing or refuting relationships between the properties and pavement performance. That was the indication of presentations at two back-to-back conferences in Denver in April. Superpave: Building Roads for the 21st Century, sponsored by The Asphalt Institute, the Federal Highways Administration and the American Association of State Highway and Transportation Officials, preceded the International Center for Aggregates Research's (ICAR) 8th Annual Symposium. Following are summaries of ...

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