Concrete Poker

Concrete Poker. The concrete slump test is a simple and easy test that measures the consistency of concrete before it sets It is useful to check concrete mix batches on site before pouring concrete In the United Kingdom the slump test is measured in accordance with BS EN 123502 The flow is measured in accordance with BS EN 123505 The slumpflow is measured in.

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Compression test on concrete Civil Engineering Portal

However the actual effectiveness of any poker depends on the workability of the concrete and the characteristics of the vibrator itself As a general rule the bigger the poker and the higher its amplitude the greater will be the radius of action It is better to judge from your own observations as work proceeds on site the effective radius of the poker you are operating on.

Properties of Concrete Workability, Setting, Bleeding

Air entrapped during mixing and handling should be easily removed by compaction equipment such as poker vibrators Stability or cohesiveness fresh concrete should remain homogenous and uniform No segregation of cement paste from aggregates (especially coarse ones) Fluidity & compactability known as workability.

Concrete Batching, Mixing, Placing and Compaction of Concrete

PARAMETERS AFFECTING COMPRESSION STRENGTH OF CONCRETE Never try to compact cubes using a needle or poker vibrator • This will harm the needle vibrator and also due to the vibrations the mould will tend to move about a good deal on the base plate and may cause leakage of the cement slurry or disorient the shape of the cube • If the electric or pneumatic.