Page 22 - CONCRETE MATERIALS AND MIXTURE
P. 22

Classification of the aggregates according to their



          unit weight







                                      Normal Aggregate




                                     • Crushed rock, sand and gravel, broken


                                         bricks






                                      Light Weight Aggregate





                                     • Pumice, expanded shale, expanded clay







                                      Heavy Weight Aggregate



                                     • Magnetite, heamatite, limonite
   17   18   19   20   21   22   23   24   25   26   27