Impact value apparatus for aggregate BS 812-112

Standards: BS 812-112

Model: AIV-3

Standards: BS 812-112

Model: AIV-3

The Aggregates Impact Value (AIV) Apparatus is used to determine the aggregate impact value which provides a relative measure of the resistance of an aggregate to sudden shock or impact.

Technical specifications

1. Circular metal base: 22-30kg, lower dia. ≥300mm
2. Impact hammer weight: 14.0~13.5Kg, lower cylinder dia. 100mm, length 50mm, 1.5mm chamfer at lower edge and case hardened
3. Measuring cylinder: inner dia. 76mm, inner height: 51mm, wall thickness: 3mm
4. Impact cup: inner dia. 102mm, inner height 50mm, steel cylinder, case hardened treatment with inner surface, wall thickness ≥6mm
5. Impact hammer drop height: 380±5mm
6. Tamping rod: Dia.16*L600mm, both ends hemispherical
7. Cylindrical metal measure: I.D75×H50mm
8. Net weight: 55kg
9. Overall size: 440x320x870 mm