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GYROTRONIC SUPERPAVE GYRATORY COMPACTOR

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STANDARDS: EN 12697-10, EN 12697-31 | ASTM D6925 | AASHTO T312, TP4 | SHRP M-002
This Gyratory Compactor, entirely developed and manufactured by Matest, is used to simulate and reproduce the real compaction conditions
under actual road paving operations, hence determining the compaction properties of the asphalt.

MAIN FEATURES
Rigid steel frame ensuring excellent angle control.
Electro-pneumatic action with servo-controlled
regulator.
Full color touch screen control unit, running like a
standard PC based on Windows operating system.
Software for PC control acquisition and data
processing.
Optional shear stress measurement.
Concept based on American DOT principles.
Cold mix emulsions which can be compacted.
Optional integrated balance.
Optional integrated extruder.
Gyratory angle adjustable from 0 to 2.4° (up to 3°).
Electromechanical version available on request.

GYROTRONIC – SUPERPAVE GYRATORY COMPACTOR
Gyrotronic compacts in a fully automatic way, by combining the rotary action and the vertical resultant force applied by a mechanical head. The
Compactor comprises a highly rigid steel frame ensuring excellent angle control.
Load is applied by an electro-pneumatic cylinder, servo-controlled by a precision pressure regulator; the height is measured by a linear
transducer.
Gyratory motion is generated by an eccentric high precision system allowing an easy set up with precision and constant angle of gyration.
The rotation speed is controlled by an inverter through on board computer control.
Using the proper perforated mould, the Compactor is able to run tests also on cold emulsified asphalt mix.
The acquired results are also employed in the investigation of volumetric and mechanical characteristics of the asphalt mix.
The machine is calibrated at Matest factory to the selected internal angle.

ON-BOARD TOUCH SCREEN or PC CONTROL
The touch-screen icon interface allows an easy set up of the parameters and an immediate automatic execution of the test, data acquisition and
processing, graphics and file. A remote test control is available through a dedicated software, provided in bundle.
Direct connection to Intranet (through LAN network) and Internet to establish a remote communication and receive an immediate diagnostic of
potential problems from Matest technicians, or for software updates.
Unlimited memory storage with: 2 USB ports, 1 SD card.
Hardware technical details: see catalogue at p. 19.

 

 

 

 

 

 

 

 

 

 

 

 

TECHNICAL SPECIFICATIONS
Compacted specimen size: Ø 100 and 150 mm; height from
0 to 200 mm for both sizes.
Mould dimensions: Internal Ø 100 and 150 mm; height 250 mm
for both moulds.
Gyratory angle: adjustable from 0 to 2.4° (up to 3°)
Number of cycles (gyratory): adjustable from 1 to 5000
Gyration rate: adjustable from 5 to 60 work cycles/min
(30 cycles/min requested by Standards)
Vertical load on Ø 150 mm specimen:
adjustable from 10 to 1000 kPa (1000 kPa with 10 bar compressor)
(800 kPa with 8 bar compressor)
(700 kPa with 7 bar compressor)
Vertical load on Ø 100 mm specimen: adjustable from 23 to
1500 kPa (with 7 bar compressor)
The vertical load on the specimen is automatically controlled and
adjusted by the electronic system.

Modes of operation:
Compaction of specimen in accordance to the selected number of
rotations.
Compaction of specimen upon reaching the selected height.
Compaction of specimen upon reaching the selected density.
The machine can also perform a final flattering cycle at
“zero” angle to obtain specimens with perpendicular faces.
Data acquisition: number of rotations, specimen height, applied load
(to ensure tolerances requested by the Standards)
Requires pressurized air, minimum 7 bar.
The Matest Gyratory Compactor is supplied complete with lubricant
and power cord.
Optional extra are: moulds, filter paper, penetration pistons,
extruder, bench, air compressor Accredia official vertical load calibration
certificate, to be ordered separately
(see accessories)
Power supply: 230V 1ph 50-60Hz 1000W 12A
Dimensions: 640x500x1050 mm
Weight: 240 kg approx.

B041
GYRATORY COMPACTOR – ASTM
STANDARDS: ASTM D6925 | AASHTO T312 | SHRP M-002
The machine is calibrated at Matest factory and supplied with
the internal angle set to 1.16° as requested by ASTM, AASHTO
Specifications.
End test data (with shear stress value) Test execution (data plot) Setting of test parameters
Note: Electromechanical Gyratory Compactor version available on request.

B041EN
GYRATORY COMPACTOR – EN
STANDARDS: EN 12697-10, EN 12697-31
The machine is calibrated at Matest factory and supplied with the
internal angle set to 0.82° as requested by EN Specifications.

 

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