Pine Test Equipment - Model GB1 -Brovold Superpave Gyratory Compactor

The System

A hydraulic system and an integrated industrial computer drive the GB1. Users define height and number of gyrations using a touchscreen control panel.  Angle of gyration and pressure are fixed.  The GB1 compacts material at a constant pressure and angle of gyration.  It gyrates at a fixed speed.  The system extrudes compacted specimens out the top of the machine.  The enclosed compaction chamber keeps the user safe.   And, two USB ports make exporting data simple.

Specimen Size

The GB1 compacts only 150-mm specimens using 150-mm Mold Assemblies.

Compaction Modes

The GB1 Brovold Superpave Gyratory Compactors makes specimens to a specified height or number of gyrations.  Enter the desired height and set the number of gyrations to 299, the maximum allowed, to make specimens to a desired height.  Enter the desired number of gyrations and set the height to 10.0 mm, the minimum, to make specimens with a desired number of gyrations.

Portability

The GB1 weighs only 304 pounds and is self-contained.  As a result, it is ideal for on-site testing and mobile labs.  Roll it into the bed of a pickup truck.  Lift it into a van.  You can take it just about anywhere.

Power Requirements:
AFGB1A: 115 VAC(±10%), 15 Amp, 60 Hz, 1 ph

Dimensions:
760 mm wide x 540 mm deep x 1410 mm high
(30.0 inch x 21.3 inch x 55.4 inch)

Weight:
Approximately 138 kg (304 lb)

Applied Pressure:
600 ± 5 kPa
Note:  The applied pressure is fixed.

Speed of Gyration:
30 ± 0.5  gyrations per minute, factory set
Adjustable range of 20 – 40 gyrations per minute
Note:  Users can adjust the speed of gyration.

System:
Electrohyrdaulic

Number of Gyrations:
0 – 299 gyrations

Minimum Specimen Height:
10.0 mm

External Mold Dimensions:
171.4 mm OD x 281.4 mm tall

Angle of Gyration:
0.82 ± 0.02° or 1.16 ± 0.02° Internal Angle or 1.25 ± 0.02° External Angle
Specify at the time of order.
Note:  The angle of gyration is fixed.

Mold Weight (empty):
9.1 kg (20.0 lbs.)

Maximum Mold Temperature Rating:
175°C (350°F)

Modes of Operation:
Compact to number of gyrations or specified height.
Note:  Users set the desired mode of operation.

Data Acquisition:
Gyration number
Specimen height (mm)

Data Output Options:
(2) USB Ports
USB Flash Drive or Laser Printer (optional)

Internal Mold Dimensions (Space Available for Loose Asphalt):
150.0 mm +0.0/-0.1 mm ID x 214.7 mm tall
Note:  Molds meet the requirements of AASHTO T 312 and ASTM D6925.

Internal Data Storage:
Results from 10 tests are retained in memory.