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                                                                  slump cone test


The test is made for measuring the workability of fresh concrete on the field

Workability:- ease to placement of concrete

Apparatus:- slump cone, tamping rod

Shape-> frustum of cone

Top dia=10cm
Bottom dia =20cm
Height = 30 cm

Sampling->the sample of freshly mixed concrete shell be used
Procedure:- the mould should be filled in four layers, each layer should be one quarter of the height of the mould.

2.each layer shall be tamped with 25 strokes of the tamping road the stroke shall be distributed in uniform manner

 The mould is then removed from the concret immediately by raising it slowly the vertical direction.

Measure the height between the highest point of the mould and that of the highest point of the slumped specimen.


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