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Question
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What is the quantity of cement, sand, and gravel to be used
in M20 grade of concrete for 1000 x 1000 x 1000 mm of sand
(for cement please mention in kilos, and for sand and
gravel please mention it in CFT)```
Question Submitted By :: Chandramouli
I also faced this Question!!     Rank Answer Posted By

Re: What is the quantity of cement, sand, and gravel to be used in M20 grade of concrete for 1000 x 1000 x 1000 mm of sand (for cement please mention in kilos, and for sand and gravel please mention it in CFT)
# 1
1000mmx1000mmx1000mm =1 mx1mx1m = 1cum ok
summation of proportion=1+1.5+3=5.5
1cum x15.4/5.5= 2.8 cum
so cement=2.8cum= 2.8/.0347=80.7 bags=4035 kg
sand=4.2cum=150.36cft
aggregate=8.4cum=300.72cft

 Is This Answer Correct ? 17 Yes 41 No
Sjtbehera
[Hari Machines]

Re: What is the quantity of cement, sand, and gravel to be used in M20 grade of concrete for 1000 x 1000 x 1000 mm of sand (for cement please mention in kilos, and for sand and gravel please mention it in CFT)
# 2
1000mmx1000mmx1000mm =1 mx1mx1m = 1cum ok
summation of proportion=1+1.5+3=5.5
1.54cum of dry materials of concrete will yield only 1 cum
1cum x1.54/5.5= 0.28 cum
so cement=0.28cum= 0.28/.0347=8.07 bags=403.5 kg
sand=4.2cum=15.036cft
aggregate=8.4cum=30.072cft

 Is This Answer Correct ? 36 Yes 10 No

Re: What is the quantity of cement, sand, and gravel to be used in M20 grade of concrete for 1000 x 1000 x 1000 mm of sand (for cement please mention in kilos, and for sand and gravel please mention it in CFT)
# 3
1000mmx1000mmx1000mm =1 mx1mx1m = 1cum ok
summation of proportion=1+1.5+3=5.5
1.54cum of dry materials of concrete will yield only 1 cum
1cum x1.54/5.5= 0.28 cum
so cement=0.28cum= 0.28/.0347=8.07 bags=403.5 kg
sand=0.42cum= 14.82 cft
aggregate=0.84cum= 29.65 cft

 Is This Answer Correct ? 23 Yes 6 No
Rajendra

Re: What is the quantity of cement, sand, and gravel to be used in M20 grade of concrete for 1000 x 1000 x 1000 mm of sand (for cement please mention in kilos, and for sand and gravel please mention it in CFT)
# 4
what is .0347 ????

is it constant

 Is This Answer Correct ? 7 Yes 6 No
Atish Kumar

Re: What is the quantity of cement, sand, and gravel to be used in M20 grade of concrete for 1000 x 1000 x 1000 mm of sand (for cement please mention in kilos, and for sand and gravel please mention it in CFT)
# 5
1000mmx1000mmx1000mm =1 mx1mx1m = 1cum ok
summation of proportion=1+1.5+3=5.5
1.54cum of dry materials of concrete will yield only 1 cum
concrete after adding water.So the constant is 1.54
Quantity of cement for 1m3=1 x1/5.5x1.54 = 0.28 cum
1m3 cement=1440kg. So cement for 1m3=0.28x1440=403.2 kg
sand=easy method=1.5xcement=1.5x0.28=0.42 m3x35.313=14.83cft
or sand=1x1.5/5.5x1.54=0.42 m3x35.313=14.83 cft
Coarse aggregate = 3xcement or 2xsand=(3x0.28) or (2x0.42)
=0.84cum x 35.313 = 29.66 cft
or coarse aggregate= 1x3/5.5x1.54=0.84 m3x35.313=29.66 cft

 Is This Answer Correct ? 15 Yes 5 No
Reethesh.m.p.

Re: What is the quantity of cement, sand, and gravel to be used in M20 grade of concrete for 1000 x 1000 x 1000 mm of sand (for cement please mention in kilos, and for sand and gravel please mention it in CFT)
# 6
What is the quantity of cement, sand, and gravel to be used
in M20 grade of concrete for 1000 x 1000 x 1000 mm.
(for cement please mention in kilos, and for sand and
gravel please mention it in CFT)

1000mmx1000mmx1000mm =1 mx1mx1m = 1cum ok
summation of proportion=1+1.5+3=5.5
1.54cum of dry materials of concrete will yield only 1 cum
1cum x1.54/5.5= 0.28 cum
so cement = 0.28cum x 1440 = 403.5 kg
sand = 0.42cum x 10.47 = 4.40 cft
aggregate = 0.84cum x 10.47 = 8.80 cft

 Is This Answer Correct ? 2 Yes 8 No
K.raja