DETERMINATION OF AGGREGATE ABBRASION VALUE (AAV)

The test gives a measure of the resistance of aggregates to surface wear by abrasion.
Inadequate abrasion of road-surfacing aggregates means an early loss of the texture depth required to maintain highspeed skidding resistance.
The machine consists of a heavy duty mainframe on adjustable antivibration pads, steel lap wheel 610 mm diameter, precision machined steel shaft and sealed bearings, resilient mounted electric motor, gear box, scraper blades for sand removal, revolution counter.
Supplied complete with two specimen moulds, two flat plates, two trays.

Power supply: 230 V 1ph 50 Hz
Dimensions: 800x700x1100 mm
Weight: 200 Kg