Types of Slump

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. This type of slump is obtained in a lean concrete mix.

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 of the slump after removing the slump cone.


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