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plz tell.. how can we find weight(in kg) of 1 cum of m20
mix..? how can we find the ratio of cement sand and
agregate on site i.e if we given some amount of m20 mix
then hw we find the ratio..?
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Answer Posted / syed zafar
M20 means
The mix ratio will be = 1:2:4
That is Cement : Sand : Aggregate
To find out the weight
Add there all = 1+2+4 = 7
1.54 is the design constant
Then for cement (1/7)*1.54 = 0.22m3
One bag (50KG) of cement = 0.0332 m3
Therefore cement required in kg = 332 KG/m3
For sand = (2/7)*1.54 = .44
i.e. = 2*332 = 663 Kgs /m3
For Aggregate = (4/7)*1.54 = .88
i.e. = 2*663 = 1326 Kgs /m3
water cement ratio = 0.42*332 = 140 Kgs
Therefore the weight of one cubic meter of -
Concrete for M20 mix (1:2:4) = 2461 kgs
After exact & all calculations it will come = 2500 kg/m3
| Is This Answer Correct ? | 46 Yes | 45 No |
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