Standard Test Method for Maximum Specific Gravity and Density of Asphalt Mixtures Using Automatic Vacuum Sealing Method

Abstract

5.1 The maximum specific gravities and densities of asphalt mixtures are intrinsic properties whose values are influenced by the composition of the mixture in terms of types and amounts of aggregates and asphalt materials. 5.1.1 They are used to calculate values for percent air voids in compacted asphalt mixtures. 5.1.2 They provide target values for the compaction of asphalt mixtures. 5.1.3 They are essential when calculating the amount of asphalt binder absorbed by the internal porosity of the individual aggregate particles in an asphalt mixture. Note 2: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D3666 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Specification D3666 alone does not completely ensure reliable results. Reliable results depend on many factors; following the suggestions of Specification D3666 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.