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How to calculate the quantity of water for a given concrete mix.?
NARENDERSINGH
As per Is code 456-200 clauses 6.1.2 maximum free water cement ratio for M15(1:2:4) is 0.50 for 1 cubic metre concrete 1+2+4=7 cement content =1/7 *1 =0.1428 m3 density =mass/volume density of cement =1440kg/m3 (note :- density of cement varies with grade and brand) mass of cement =0.1428*1440=205.6Read more
As per Is code 456-200 clauses 6.1.2
maximum free water cement ratio for M15(1:2:4) is 0.50
for 1 cubic metre concrete
1+2+4=7
cement content =1/7 *1 =0.1428 m3
density =mass/volume
density of cement =1440kg/m3 (note :- density of cement varies with grade and brand)
mass of cement =0.1428*1440=205.632 kg (note:- please consider minimum cement content also i.e. also given in clauses 6.1.2 of Is code)
w/c as per IS code is 0.50 for M15
w/c=0.50
water content=0.50*205.632=102.8 m3 =103 litre
Note:-w/c depends on various factors like moisture content of fine/coarse aggregate,workability …..
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