Civil engineering & Material Testing equipments

Impact value test apparatus for Coarse aggregate

aggregate impact testing machine

Standards: JTG E42 T0322

Model: JCJ-3


The impact value test apparatus is used to test the instantaneous impact strength of coarse aggregate.

Main structure

1. Release button 2. Adjusting button 3. Handle 4. Hook

5. Hit hammer 6. Vertical column 7. Impact cup 8. Base

Technical specifications

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

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