Answer / lakshmanarajan

The Ratio is 1:2:4 Total = 7

Ingredients of this Mixture is = 1.57

So the qty of Cement is = (1/7) x 1.57 = 0.224 cum

Volume of cement in i cum = 1440kg

therefore required cement = 1440 x 0.224 = 322.56kg

Weight of 1 cement bag is = 50 kg

so 322.56/50 = 6.45Bag

Add 5% for wastage = 6.45 x (5/100) = 6.77 bag required

Qty of Sand = (2/7) x 1.57 = 0.448 cum (1cum = 35.31 cuft)

convert cum to cuft = 0.448*35.31 = 15.18 cuft

Sand is available in unit,so 1 unit = 100 cuft

So required qty of sand is = 15.18/100 = 0.151 unit require

Qty of Aggregate = (4/7) x 1.57 = 0.89cum

Convert cum to cuft = 0.89 * 35.31 = 31.42cuft

sand & Aggregate also available in unit

so above the same as aggregate = 31.42/100 = 0.314 unit require

Answer / nooorulhaq

need anwer

Answer / roys

Ratio of concrete mix =1:2:4 (Calculation for 1cum)
Cement:-
1/7*1.54=.22 cum [1.54for dry volume]
=.22/0.0345
=6.38bags
Sand:-
2/7*.22=0.06cum
=0.06*35.32
=2.12cft
Aggregate:-
4/7*.22=0.13cum
=0.13*35.32
=4.59cft

Answer / mr. b.nagaraj

as per is 6.4 bags of cement & 0.86m3 / 30.31cft of 20mm
aggregate & 0.46m3 / 16.25cft of sand requires for 1m3 of
m15 concrete or 1:2:4

Answer / mukarram

R.C.C Ratio 1:2:4
0.92/4 x 28.80 = 6.624m3
wt of cement bag/m3 x 0.03472
1 x 0.0229 m3 cement
2 x 0.458 m3 Sand
4 x 0.916 m3 Concrete

50 x 0.0229 / 0.03472 = 329/50kg

6.59 No of Bag's

Answer / javed ashraf

6.22 BAG OF CEMENT IN ONE CUBIC METER

.44 CUM FINE AGGREGATES

.88 CUM COARSE AGGREGATES

Answer / prabakar

RCC 1:2:4 -density of cement=1440kg/m3 1m3 =1440/2=720*0.45
=324kg
=324/50=6.48bags
Sand=6.48*1.25
=8.0125cum
=2*8.0125
=16.025cum
Aggregate
=4*8.012
=32.05cum.

Answer / zeshan

Simply for 1 cum of ratio 1:2:4
Concrete 1 cum
Sand 1/2 cum
Cement 1/4 cum

Answer / er. syed layaq ali

practically Material Consumption in M15 1:2:4

Quantity-1 cum

Cement beg - 6 Nos(0.198 cum)

Coarse Sand - 0.396 Cum

Coarse Aggregate 0.792 Cum

Answer / n. rajesh guttedar

Materials used for a 1 cum.in the ratio 1:2:4.


Cement. = 6.336 Bags.or ( 0.220 cum. )

Sand. = 0.440 cum.

Aggregate.= 0.879 Cum.

differance bet QA & Qc

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