CTTP Dynamic Services

AASHTO T 312

Preparing and Determining the Density of Hot Mix Asphalt Specimens by Superpave Gyratory Compactor

This test procedure is used to determine the compaction of cylindrical specimens of hot mix asphalt by using the Superpave gyratory compactor.

Equipment List

Scale (0.1 g)

Scale Equipment Description
Scale Calibration Worksheet
Scale In-House Procedure
This item should be listed on the laboratory inventory list.
This item should be calibrated.

Asphalt Oven

Oven Equipment Description
Oven Calibration Worksheet
Oven In House Procedure
This item should be listed on the laboratory inventory list.
This item should be calibrated.

Incidental Asphalt Compacting Equipment

This item is required for T312

Gyratory Compactor

Gyratory Compactor Equipment Description
Gyratory Compactor Calibration Worksheet
Gyratory Compactor In-House Procedure
This item should be listed on the laboratory inventory list.
This item should be calibrated.

Gyratory Compactor Molds and Plates

Thermometer (Asphalt)

Laboratory Thermometer Equipment Description
Laboratory Thermometer Calibration Worksheet
Laboratory Thermometer In-House Procedure
This item should be listed on the laboratory inventory list.
This item should be calibrated.

Verify Hot Mix Oven Temperature (performed by inspector)

This item is required for T312

Mixing Equipment (asphalt)

This item should be listed on the laboratory inventory list.

Paper Disks

This item is required for T312