Complaint
C057 Aggregate impact value Impact value test apparatus for fine aggregate
This tester is for testing the road surface used coarse aggregate, like macadam, gravel, etc. impact value experiment, make sure aggregate's ability to resist instant impact or shock resistance
Standards: JTG E42 T0322
This apparatus is used to test the coarse aggregate anti-impact property, it use transient impact force act on the aggregate. Calculator is equipped.
1. Release button 2. Adjusting button 3. Handle 4. Hook
5. Hit hammer 6. Vertical column 7. Impact cup 8. Base
Measuring cylinder: inner dia. 76mm, inner height: 51mm, wall thickness: 3mm
Impact cup: inner dia. 102mm, inner height 50mm, steel cylinder, toughening treatment with inner side surface
Tamping rod: steel bar dia. 10mm, length 23mm, one end is hemispherical.
Impact hammer weight: 14.0~13.5Kg, lower cylinder dia. 100mm, length 50mm
1.5mm chamfer with bottom edge, quench treatment on surface
Impact hammer drop height: 380±5mm
| Technical Parameters | |
| Parameters Names | Details |
| Measuring cylinder | Inner diameter 76mm Height 51mm |
| Shocks cup | Inner diameter 102mm Height 50mm |
| Pound stone stick | Diameter 10mm |
| Percussion hammer weight | 13.75±0.05kg |
| Percussion hammer drop height | 308mm±5mm |
