Answer / tejaswi

for 1 unit of cement , 4 units of sand and 8 units of
matal are added in 1:4:8 mix.

And for 1 unit of cement, 2 units of sand and 4 units of
matal are added in 1:2:4 mix.

Answer / ramesh

Generally 1:4:8 concrete mix used for plain cement concrete

For making 1cum pcc required

40mm metal :0.92 cum

sand :0.46

cement :0.115 cum or 3.312 bags

Answer / surya v kuchibhotla

If you are considering 1:4:8; per each cubic meter you have
to arrive the quantities as under.
If 1+4+8= 1cum (dry mix); then
cement quantity will be 1/13 = 0.077 cum;(2.2 Bags of 50kg)
Sand Quantity will be 4/13= 0.31 cum and
the Quantity of Coarse aggregate shall be 8/13=0.62 cum.

But, the volume of dry concrete will be 1.5 times
(approx)the volume of wet concrete. So, if you want to
prepare a cum of wet concrete, multiply the above values by 1.5.

Answer / mask

* In 1:4:8
Cement - 1.25 Cft
Sand - 5 Cft
Matal - 10 Cft
*In 1:2:4
Cement - 1.25 Cft
Sand - 2.5 Cft
Matal - 5 Cft

Answer / navneet

the mix contains 1 part of cement, 2 parts of fine aggregate
and 4 parts of coarse aggregate

Answer / narendra pawar

Generally 1:4:8 concrete mix used for plain cement concrete

For making 1cum pcc required

metal :0.616 cum

sand :0.308

cement :0.077 cum

0.077 + 0.308 + 0.616 = 1.001 cum

Answer / vishal kumar chy

1:2:4 It means 1 unit of cement, 2 units of sand , 4 units of aggregates

Answer / kailash

1:2:4 & 1:4:8 its not a standard design. design depends
upon the which aggregate available at site and there
density.

Answer / suraj

in 1:2:4 mixture 1 part is cement 2 part is coarse sand and
4 part is fine sand matal is nothing

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