CLASSIFICATION OF THE AGGREGATE

Aggregate can be classified as :

i) Normal weight aggregates.

ii) Lightweight aggregate.

Normal weight aggregate can be further classified as natural aggregate and artificial aggregate.

          

  

  

         Natural                                                          Artificial 

    Sand, Gravel, Crushed                                        Broken brick

   Rock such as granite                                          Air-cooled slag

  Quartzite, Basalt                                                 Sintered fly ash

     Sandstone                                                         Bloated clay

  Aggregate can also be classified on the basis of size as coarse and fine.