Kelly ball test is simply a test used for measuring the workability of concrete.
Test apparatus look like
The Kelly ball test was formally standardized in ASTM C360-92: the name is “Standard Test Method for Ball Penetration in Freshly Mixed Hydraulic Cement Concrete.”
- The test is faster than the slump test.
I has been claimed that the Kelly ball test provides more accurate results than the slump
- Like the slump test, the Kelly ball test is a static test.
- The test must be performed on a level surface of concrete
- Largea aggregate can influence the results of kelly ball.