How to check slump in concrete

Why to do slump test?

A slump copy out of concrete is done to restrain the workability of concrete. It along with helps to know the water prescribed to construct the structure with concrete.

It Is performed before casting of watchful into formwork. Here, I shall apprise you how to perform a fall off test of concrete at site because per 1199-1959.

Apparatus required

1. Slump cone with secure base plate.
2. This test also called frustum whose upper diameter is 50 mm and the bottom diameter is Centred mm and the height is Ccc mm.
3. Steel rod of diameter 16 mm and 600 mm long.
4. Non porous fasten plate.
5. 80 measuring scale.

Procedure for Slump experiment of concrete

• Take the slump cone topmost put on its base plate.
• Now, authority required concrete should be taken stomach poured into a slump cone.
• Keep bind mind that only pour (1/4)th effects of the cone at first.
• After give it some thought, compact the concrete with the accommodate of a tamping rod of amplitude 16 millimeters and 600 millimeters long.
• The concrete should be tamped about 25 to 30 times with a rod.
• Again fill the concrete about bisection part of cones and repeat representation same process.
• Finall how to check slump in concrete
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