Summary Report on Aging of Asphalt-aggregate Systems PDF Download

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Summary Report on Aging of Asphalt-aggregate Systems

Summary Report on Aging of Asphalt-aggregate Systems PDF Author: Chris A. Bell
Publisher:
ISBN:
Category : Aggregates (Building materials)
Languages : en
Pages : 128

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Book Description
This is a report on the state of the art of research on the phenomenon of the aging of asphalt-aggregate mixtures. Compared to research on the aging of asphalt cement, there has been little research on the aging of asphalt mixtures. Binder studies are considered as well as mixture sutdies, the relationship between laboratory aging tests and field performance, and the relationship between chemical composition and field performance. Recommendations are made for aging procedures which show promise for laboratory investigation. Test methods to evaluate aging are also considered. It is noted that extended heating procedures show the most promise for short-term aging and pressure oxidation and/or extended heating the most promise for long-term aging.