AASHTO T 166-13


Standard Method of Test for Bulk Specific Gravity (Gmb) of Compacted Hot-Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens
standard by American Association of State and Highway Transportation Officials, 2013

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This method of test covers the determination of bulk specific gravity (Gmb) of specimens of compacted hot mix asphalt (HMA).

This method should not be used with samples that contain open or interconnecting voids or absorb more than 2.0 percent of water by volume, as determined in Sections 7.2 or 10.2 herein. If the sample contains open or interconnecting voids or absorbs more than 2.0 percent of water by volume, then T 275 or T 331 should be used.

The bulk specific gravity of the compacted HMA may be used in calculating the unit mass of the mixture.

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