Product Details

Gyratory Compactor I


SHRP M-002
EN 12697-10
EN 12697-31
FHWA approved


General Description


The gyratory compaction is achieved by the simultaneous application of the pneumatically operated vertical pressure and of the shearing action resulting of the motion of the centerline of the test piece, which generates a conical surface of revolution, while the ends of the test piece remain approximately perpendicular to the axis of the conical surface.




• Pneumatically operated vertical pressure
• High repeatability and accuracy verified by international research centre
• Fully conform to the SHRP and EN specifications
• Individual control of test parameters
• Test data stored on hard disk (ASCII files)
• The research version 76-B0251 has a comprehensive measurement of results including shear resistance of the material during compaction. Results displayed in real time
• Rigid construction ensures excellent angle control
• The light and robust construction allows easy field use with a laptop PC-control for data storage. The results are displayed in real time
• External specimen extrusion facility for improved machine productivity
• Easy to use and to maintain
• Macro Windows based software for result processing


Technical Specifications (Load Frame)


Compacted Specimen Size
Diameter mm 150 and 100
Height mm from 120 to 200 and from 85 to 125
Accuracy ± 1%
Internal Diameter mm 150 and 100
Height mm 270 and 190
Specimen Height Using 85 minimum for the 150 mm dia.
Distance Pieces mm 50 minimum for the 100 mm dia.
Gyratory Angle easily adjustable from 0 to 50 mrad (0-3° approx.)
Number of Cycles (Gyratory) adjustable up to 512 (repeatable)
Gyration Rate 15-60 work cycles/min
Shear Strength Range 0-600 kN/sq.m
Vertical Load(1) adjustable from 80 to 650 kPa (13.5 kN with standard actuator)
Overall Dimensions mm 500x600x1100
Weight Approx. kg 190


Ordering Information


76-B0251 Gyratory compactor. 230 V, 50-60 Hz, 1 ph.
76-B0250/15 Motorized specimen extruder, mounted on a working table with wheels. 230 V, 50-60 Hz, 1 ph.

*Please consult for correct quotation with accessories


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Gyratory Compactor



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