What is aggregate

What  is aggregate  

   Aggregate is a granular materials that act as skeleton and filling components in concrete and mortar, such as manufactured sand,natural sand,gravel,crushed stone and recycled concrete. Aggregate has a wide range of application in construction and other industries. 

                           

Types of aggregate 

    (i) coarse aggregate 

    (ii) fine aggregate 

What is coarse aggregate 

         Coarse aggregate will not pass through a sieve with 4.75 mm opening no 4 is portion of the concrete which is made up of the larger stones embedded in the mix concrete contains there ingredients, aggregate size larger than 4.75 mm is called coarse aggregate. 

               

What is fine aggregate 

         If the aggregate size is less than 4.75mm then it is called as fine aggregate. The minimum size of fine aggregate is 0.075mm is using for concreting work.

                   

  

Difference  between coarse aggregate and fine aggregate.