QUANTITY OF MATERIAL - CEMENT ,SAND & METAL
  CALCULATION OF MATERIAL QUANTITY.   CONCRETE    Mix Ratio 1:2:4   - -   (1:2:4)=1+2+4=7   7 is mixing propotion   Volume of wet cement concrete - 1.54 to 1.57     unit weight of cement is 1440kg/cum   1 bag of cement – 50kg/bag   -   =50/1440=0.034722 cum     Cement = 1.54/7=0.22                      0.22/0.03472=6.33 bags   1bag of cement = 50kgs                                   =6.33*50kgs=316.82 kgs     sand                     = 0.22*2=0.44cum                                 ...

 
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