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  Introduction Readymix Concrete L&T Concrete Stations Place Order FAQ'S
 
 
  Quality Tests  
 
Following Quality Tests are done on L&T Concrete

 
    Equipment Tests  
    Cement Tests  
    Aggregate Tests  
    Water Tests  
    Admixture Tests  
    Strength Tests  
     
  Equipment Tests
 
 

 Calibration of Electronic Load Cell (weigh batcher)

 
 

 Calibration of water meter

 
 

 Calibration of Admixture dispenser

 
   Calibration of cube testing machine  
     
  Cement is tested for
 
   Its fineness  
   Initial setting time  
   Final setting time  
   Compressive strength  
   Insoluble residue as per IS codes 4031 & 4032.  
     
  Fine Aggregate is tested for
 
   Grading  
   Specific gravity  
   Water absorption  
   Loose density  
   Chloride and sulphate content  
   Moisture Content  
   Organic impurities as per IS codes 383 & 2386  
     
  Coarse Aggregate is tested for
 
   Grading  
   Specific gravity  
   Water absorption  
   Loose density  
   Chloride and sulphate content  
   Impact Value  
   Crushing value  
   Abrasion value as per IS Codes 383 & 2386  
     
  Water is tested for
 
   Effect on setting time  
   Effect on Compressive strength  
   Chemical analysis of water as per IS Codes 456 & 3025  
     
  Admixtures are tested for
 
   Their effect on setting time  
   Compressive strength  
   Slump retention  
   Specific gravity  
   Percentage of solid content  
   Chloride and sulphate content as per IS Codes 8142, 1199 & 6925.  
     
  Test at Plant
 
   Slump tests are done for fresh concrete  
   Cubes are taken for fresh concreteand the cubes are tested on 7th and 28th days
   to establish compressive strength.
 
     
  Test at Site
 
   At site slump tests are conducted and cubes are cast for testing.