Humboldt H-3655, Kelly Ball Penetration Apparatus, 30 lb
The Kelly Ball Test Apparatus is used to test the consistency of concrete using the penetration of a half sphere into plastic concrete. A 1" (2.5-centimeter) penetration by the Kelly ball corresponds to about 2" (5 cm) of slump. The Kelly Ball Test Apparatus consists of 30 lb. (14kg) cylinder with hemispherically shaped bottom and handle. Stirrup or frame guides handle act as reference for measuring the depth of penetration. The stirrup handle of the Kelly Ball Test Apparatus is graduated in 0.25" (6.4mm) increments on one side and half-centimeter increments on the other side for measuring the depth of penetration. Concrete may be tested as it is placed into forms prior to any manipulation or in a suitable container. You can find all of the concrete test equipment you need for accurate and reliable concrete vibration testing
30 lb Kelly Ball Test Apparatus Meets Test Methods:
- ASTM C360
- AASHTO T183
- AASHTO CTM533