Chapter:

Introduction-to-Concrete-and-Concrete-Materials

Define Aggregates and Explain its role in Concrete.

Aggregates also known as filler is defined as the inert, granular and inexpensive material such as sand, gravel , crushed stone etc which is dispersed in cement paste to make concrete.

The role of Aggregate in Concrete can be listed as follows:

  1. It provides relatively cheap filler for the cementing material.
  2. It provides the stability against volume changes.
  3. It provides the mass of particle which resists the action of applied loads, abrasion, and action of weather.
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