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AASHTO - T 331

Standard Method of Test for Bulk Specific Gravity (Gmb) and Density of Compacted Asphalt Mixtures Using Automatic Vacuum Sealing Method

active, Most Current
Organization: AASHTO
Publication Date: 1 January 2023
Status: active
Page Count: 8
scope:

This method covers the determination of bulk specific gravity (Gmb) of specimens of compacted asphalt mixtures.

This method should be used with samples that contain open or interconnecting voids and/or absorb more than 2.0 percent of water by volume, as determined by T 166. An agency may specify this method as an alternative to T 275.

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

The values stated in SI units are to be regarded as the standard.

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.

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 R 18 are generally considered capable of competent and objective testing/sampling/inspection/etc. Users of this standard are cautioned that compliance with R 18 alone does not completely assure reliable results. Reliable results depend on many factors; following the suggestions of R 18 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.

Document History

T 331
January 1, 2023
Standard Method of Test for Bulk Specific Gravity (Gmb) and Density of Compacted Asphalt Mixtures Using Automatic Vacuum Sealing Method
This method covers the determination of bulk specific gravity (Gmb) of specimens of compacted asphalt mixtures. This method should be used with samples that contain open or interconnecting voids...
January 1, 2022
Standard Method of Test for Bulk Specific Gravity (Gmb) and Density of Compacted Asphalt Mixtures Using Automatic Vacuum Sealing Method
This method covers the determination of bulk specific gravity (Gmb) of specimens of compacted asphalt mixtures. This method should be used with samples that contain open or interconnecting voids...
January 1, 2021
Standard Method of Test for Bulk Specific Gravity (Gmb) and Density of Compacted Asphalt Mixtures Using Automatic Vacuum Sealing Method
This method covers the determination of bulk specific gravity (Gmb) of specimens of compacted asphalt mixtures. This method should be used with samples that contain open or interconnecting voids...
January 1, 2013
Standard Method of Test for Bulk Specific Gravity (Gmb) and Density of Compacted Hot Mix Asphalt (HMA) Using Automatic Vacuum Sealing Method
This method covers the determination of bulk specific gravity (Gmb) of specimens of compacted asphalt mixtures.  This method should be used with samples that contain open or interconnecting voids...
January 1, 2013
Standard Method of Test for Bulk Specific Gravity (Gmb) and Density of Compacted Hot Mix Asphalt (HMA) Using Automatic Vacuum Sealing Method
This method covers the determination of bulk specific gravity (Gmb) of specimens of compacted hot mix asphalt (HMA) mixtures. This method should be used with samples that contain open or...
January 1, 2010
Standard Method of Test for Bulk Specific Gravity and Density of Compacted Hot Mix Asphalt (HMA) Using Automatic Vacuum Sealing Method
This method covers the determination of bulk specific gravity of specimens of compacted hot mix asphalt (HMA) mixtures. This method should be used with samples that contain open or interconnecting...
January 1, 2008
Standard Method of Test for Bulk Specific Gravity and Density of Compacted Hot Mix Asphalt (HMA) Using Automatic Vacuum Sealing Method
This method covers the determination of bulk specific gravity of specimens of compacted hot mix asphalt (HMA) mixtures. This method should be used with samples that contain open or interconnecting...
January 1, 2007
Standard Method of Test for Bulk Specific Gravity and Density of Compacted Asphalt Mixtures Using Automatic Vacuum Sealing Method
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References

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