True Slump
The concrete mass after the test when slumps evenly all around without disintegration is called the true slump.
Shear Slump
When one-half of the concrete mass slide down the other is called the shear slump.
Collapse Slump
When the sample is collapsed due to adding excessive water, it is known as collapse slump.
Zero Slump
For very stiff or dry mixes it does not show any changes in the slump after removing the slump cone.
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