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Categories >> Engineering >> Civil Engineering
 


 

 
Question How to calculate cement and sand quantities in cement mortar
As 1:1,1:2,1:4,1:6 ?
 Question Asked In Companies :: JP Group, Simplex, Boss Global, Kerakoll, NextGen,     < I also faced this Question! >
 Question Submitted By :: banmayank
  Answer Posted By  
 
Answer
take an example 1:4, total ratio(1+4)is 5. assume total
volume of mortar required is 10cubic metre. this will
contain 1/5of10=2cubic metre of cement and 4/5of10=8cubic
metres of sand. density of cement as 1440kg/m3, mass of
cement will be 2x1440=2880kg and number of bags
2880/50=57.6bags. note
(i) 50kg is mass of 1 bag of cement.
(ii)other irregularities like covering voids, reduction in
volume/shrinkage due to setting of cement etc should be
considered by factoring the total volume by say 1.4.
(iii)for water use about 30% of the raw volume of sand and
cement.

Is This Answer Correct ?    11 Yes 7 No


 
  osbert (civ eng. student maker
 
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