Standard Recommended Practice for
Reducing Samples of Hot Mix
Asphalt (HMA) to Testing Size
AASHTO Designation: R 47-08
1.1.This practice outlines methods for the reduction oflarge samples of hot mix asphalt (HMA) to the appropriate size for testing, employing techniques
that are intended to minimize variations in the measured characteristics between the test samples so selected and the large sample.
1.2.The values stated in SI units are to be regarded as the standard.
1.3.This standard may involve hazardous materials, operations, and equipment.
This standard does not purport to address all of the safety concerns, if any, associated with its use.
It is the responsibility of the user of this standard to establish appropriate safety and health practices and
determine the applicability of regulatory limitations prior to use.
2.1. AASHTO Standards:
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