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B2201 SHRP Gyratory Compactor

The B2201 gyratory compactor has been designed to conform in all respects to all applicable SHRP, AASHTO and FHWA specifications. Completely PC controlled, it compacts cylindrical specimens of hot mix asphalt using a compaction mode that simulates the compaction achieved on pavement using rollers. Compaction is started, carried out and terminated under computer control. The height of the specimen is monitored during the compaction process and this value used together with other known values calculate mix density.

Safety is assured by a completely enclosed compaction chamber, see through door and illuminated chamber, safety switch that stops gyration when guard door is open, emergency stop button and a work area that allows user to change the mold, compact and extract the specimen without lifting the mold. The specimen extractor is power assisted with no hand pumping.

The specimen height is continuously measured during compaction to within ±0.1mm. Data is displayed in real time. A user friendly software program for data acquisition, editing and analyzing data after compaction is another important feature.

A Pentium-processor personal computer, calibration equipment, interchangeable 100mm and 150mm molds with bottoms and RS-232 port are included. 120 VAC, 60Hz is standard.


Consolidation Pressure:  200 to 1000kPa ±3% throughout test
Consolidation Ram 
Travel Speed:  Adjustable - factory set 10mm/second
Angle of Gyration:    Adjustable from 0.5 to 2.0° factory set at 1.25°
Rate of Gyration:    30.0 rpm ±0.5 rpm constant
Automated Shutoff:    Preset specimen height, Nmax or no. of gyrations
Mold height and wall thickness:  250mm/9.5mm minimum
Overall Dimensions (excluding PC):     21x28x63" (54x71x160cm) WxDxH
Net Weight:     550 lb (249kg)


Additional Molds
B2201.4    Mold Assembly 100mm
B2201.5 Mold Bottom 100mm
B2201.6 Mold Assembly 150mm
B2201.7 Mold Bottom 150mm
B2201.8 Filter paper 100mm, pkg of 1000
B2201.9 Filter paper 150mm, pkg of 500

Related Items:
B2210 Gyratory Mold Loading Chute

Bottom picture shows mold loading chute, B2210. See related link for description.

This item is part of the following categories:

Other items in the superpave category include:

B2201 SHRP Gyratory Compactor
B391 Carbolite Binder Ignition Furnace
B2210 Gyratory Mold Loading Chute

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Geotest Instrument Corporation
241 S. Frontage Road., Suite 38
Burr Ridge,IL 60527 USA