Answer / fazil

practically 8 bags of cement need for 1m3 concrete

i.e 8 X 50 = 400 kg

as per IS code W/C = 0.45

400 X 0.45 = 180 lts of water needed

but water cement ratio must be taken from slump test

Answer / rajeshkumarmaurya

its depends on Concrete Ratio.

For M5 - M20 = .4
M25 - M35 = .5

Answer / rajkumar

.45 TO 0.6 DEPEND UPON THE MIX DESIGN

Answer / rohit

Depend on tthe grade slump n cement per cum

Answer / abdullah

if structure is rcc then cement will be 380 kg . means no of
bag is 7.6.
for pcc then cement will be 360kg. means no. of bag is 7.1.
according to this u can find the quantity of water

Answer / samyak jain

The Water Cement ratio is
W/C=0.45 (IS 456-2000)

Now, Multiply the volume cement wth void ratio(30%).

W/Vc*1.3= 0.45

W= 0.585*Vc.
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