WHAT ARE THE ADVANTAGES AND LIMITATIONS OF SLUMP TEST?

Advantages of Slump Test

  • It grants the facility to easily detect the difference in water content of successive batches of concrete of the same identical mix.
  • The apparatus is cheap, portable and convenient to be used at site.
Slump Apparatus
Slump Apparatus

Limitation of Slump Test

  • As such, there is no direct relationship between the workability and the value of slump.
  • It is not suitable for a concrete in which maximum size of aggregate exceeds 40 mm.
  • There are chances of many shapes of slump to occur and it is difficult to decide which is the correct value.
  • The slump occurs only in case of plastic mixes. It does not occur in case of dry mixes.

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