AGGREGATE ABRASION VALUE (AAV) DETERMINATION
STANDARDS: EN 1097-8 | Comparable to BS 812-113
The test measures the resistance of aggregates to surface wear by
abrasion. Inadequate abrasion of road-surfacing aggregates leads
to an early loss of the texture depth required to keep high-speed
The machine consists of a heavy duty mainframe on adjustable
feet, steel lap wheel 615 mm diameter, which rotates in a horizontal
plane at 28/31 r.p.m., precision machined steel shaft and sealed
bearings, resilient mounted electric gearmotor, scraper blades for
sand removal, revolution counter.
The control panel can be wall fixed or placed on a bench.
Supplied complete with two specimen moulds, two trays, weights
and fixing device.
Power supply: 230V 1ph 50-60Hz
Dimensions: 1130x710x1100 mm
Weight: 200 kg approx.
A111-11 GRADED SILICA SAND. Pack of 25 kg.
V179-05 SOFT HAIR BRUSH Ø 3 mm BS 812
Two specimen moulds.