Slump Test Apparatus

1595

slump cone Base diameter

20 cm

slump cone top diameter

10 cm

slump cone  height.

30 cm

Thickness

1.6 mm

Steel Rod

16mm dia x 600mm long

Description

It is used for the determination of the consistency of freshly mixed concrete, where the maximum size of the aggregate does not exceed 38 mm. The mold is filled in three layers of each volume. Each layer is rodded with a 16 mm steel rod 25 times. The mould is then lifted away and the change in the height of the concrete is measured against the mould. The slump test is a measure of the resistance of concrete to flow under it own weight.

The apparatus comprise of a slump cone with handles made of mild steel sheet, a chrome plated steel tamping rod, rounded off at one end, with a scale marked on it and a steel base plate with a carrying handle. The mould have a smooth internal surface and provided with suitable foot pieces to a base plate and also handles to facilitate lifting it from the moulded concrete test specimen in a vertical direction as required by the test. The base plate is provided with cleats & swivel handle.

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