Others
Ball Penetration Apparatus (Kelly Ball)
- A 1" (2.5-centimeter) penetration by the Kelly ball corresponds to about 2" (5 cm) of slump.
- The apparatus consists of 30 lb. (14kg) cylinder with hemispherical shaped bottom and handle.
- Stirrup or frame guides handle act as reference for measuring the depth of penetration.
- The stirrup handle 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.
Supports the following standards: ASTM C360, AASHTO T183, AASHTO CTM533.
 |
