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AASHTO R 79-19
AASHTO R 79-19 Provisional Standard Practice for Vacuum Drying Compacted Asphalt Specimens
standard by American Association of State and Highway Transportation Officials, 2019
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M00001172
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Full Description
AASHTO R 79-19 covers the process of drying compacted field and laboratory specimens using a vacuum apparatus.The specimens dried by this practice remain at close to room temperature, which helps in maintaining specimen integrity during the drying process and allows the operators to run repeated tests on the same sample, if necessary.
This standard can also be used for drying other construction materials such as concrete, soils, aggregates, and loose asphalt mixtures. Use recommendations provided from the manufacturer for drying other construction materials.
This standard was formerly designated as provisional standard PP 75.
