Functions Of Fine & Coarse Aggregate in Concrete - Civil Engineering

Wednesday, 29 May 2019

Functions Of Fine & Coarse Aggregate in Concrete

Functions Of Fine Aggregate

Fine aggregates perform the following functions:
Gravel: Functions of Fine Aggregate in Concrete
Gravel: Functions of Fine Aggregate in Concrete
  • It assists in producing workability and uniformly in mixture.
  • It assists the cement paste to hard the coarse aggregate particles.
  • It helps to prevent possible segregation of paste and coarse aggregate particularly during the transport operation of concrete for a long distance.
  • It reduces the shrinkage of binding material.
  • It prevents the development of a crack in the concrete.
  • It fills the voids existing in the coarse aggregate. Thus, it helps in increasing the density of concrete.
  • It assists in hardening of cement by allowing the penetration of water through its voids.

Functions Of Coarse Aggregate

Coarse aggregate is used in concrete to achieve the following functions:
Functions of Coarse Aggregate in Concrete
Functions of Coarse Aggregate in Concrete
  • It makes a solid & hard mass of concrete with cement and sand.
  • It provides bulk to the concrete.
  • It increases the crushing strength of concrete.
  • It reduces the cost of concrete by using cheaper material.
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