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About This Item

 

Full Description

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 AASHTO T 275 or T 331 should be used.

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

Note—The values for bulk specific gravity (Gmb) obtained from AASHTO T 275 or T 331 may differ. Care should be exercised when comparing test results from AASHTO T 275 and T 331.

 

Document History

  1. AASHTO T 166-22


    Standard Method of Test for Bulk Specific Gravity (Gmb) of Compacted Asphalt Mixtures Using Saturated Surface-Dry Specimens

    • Most Recent
  2. AASHTO T 166-21


    Standard Method of Test for Bulk Specific Gravity (Gmb) of Compacted Asphalt Mixtures Using Saturated Surface-Dry Specimens

    • Historical Version
  3. AASHTO T 166-16 (2020)


    Standard Method of Test for Bulk Specific Gravity (Gmb) of Compacted Asphalt Mixtures Using Saturated Surface-Dry Specimens

    • Historical Version
  4. AASHTO T 166-13

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    Standard Method of Test for Bulk Specific Gravity (Gmb) of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens

    • Historical Version
  5. AASHTO T 166-12


    Standard Method of Test for Bulk Specific Gravity (Gmb) of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens

    • Historical Version
  6. AASHTO T 166-11


    Standard Method of Test for Bulk Specific Gravity of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens

    • Historical Version
  7. AASHTO T 166-10


    Standard Method of Test for Bulk Specific Gravity of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens

    • Historical Version
  8. AASHTO T 166-05


    Standard Method of Test for Bulk Specific Gravity of Compacted Hot-Mix Asphalt Using Saturated Surface-Dry Specimens

    • Historical Version