calculate concrete quantity of G+1 easily

Concrete quantity calculation is a crucial aspect of any construction project involving the use of concrete. This could be a slab, footing, column, or any other shape. If it’s a simple shape like a rectangle or a cylinder, you can use the appropriate formula to calculate the volume.

house plan

Given,

pcc size = (1.6m*0.1m*0.1m)

footing size = (1.5m*1m*0.3m)

column size = (3.5m*0.3m*0.3m) (height of column below ground level is 0.5m)

floor height = 3m

beams —

long beam size = (3.66m*0.3m*0.25m)

short beam size = (3m*0.3m*0.25m)

floor thickness at ground level = 0.15m

first floor slab thickness = 0.125m

concrete mix ratio = 1:2:4 (M20)

Floor area = 13.72m*11m (45’*36′)

stair case —-

area of stair case = 3.66m*2.286m = (12’x7’6″)

Tread = 0.3m

Riser = 0.2m

step length = 1.143m

landing size = 2.286m*1m*0.1m

waist slab & landing thickness = 0.1m

No. of riser in flight1 = 9

No. of riser in flight1 = 7

Total no. of steps = 9+7 = 16

3d view of house plan

concrete quantity in Pcc

concrete quantity in pcc

concrete volume = (length*width*depth)

= 1.6*0.1*0.1 = 0.016m^3

Total no. of pcc = 20

Total volume = 0.016*20 = 0.32m^3

Dry volume = 0.32*1.54 = 0.4928 ~ 0.5m^3

sum of ratios = 1+2+4 = 7

Cement Quantity = (1/7)*0.5 = 0.0715m^3

Sand Quantity = (2/7)*0.5 = 0.143m^3

Aggregate Quantity = (4/7)*0.5 = 0.286m^3

No. of cement bags required = 0.0715*(1440/50) = 2 bags

Sand Quantity Required = 0.143*35.32 = 5.05 ~ 6cft

Aggregate Quantity Required = 0.286*35.32 = 10.1 ~ 11cft

concrete quantity in Footing

concrete quantity in footing

concrete volume = (length*width*depth)

= 1.5*1*0.3 = 0.45m^3

Total no. of footing = 20

Total volume = 0.45*20 = 9m^3

Dry volume = 9*1.54 = 13.86m^3

sum of ratios = 1+2+4 = 7

Cement Quantity = (1/7)*13.86 = 1.98m^3

Sand Quantity = (2/7)*13.86 = 3.96m^3

Aggregate Quantity = (4/7)*13.86 = 7.92m^3

No. of cement bags required = 1.98*(1440/50) = 57 bags

Sand Quantity Required = 3.96*35.32 = 139.86 ~ 140cft

Aggregate Quantity Required = 7.92*35.32 = 279.73 ~ 280cft

quantity in Column

concrete quantity in column

concrete volume = (length*width*depth)

= 3.5*0.3*0.3 = 0.315m^3*

Total no. of column = 20

Total volume = 0.315*20 = 6.3m^3

Dry volume = 6.3*1.54 = 9.702m^3

sum of ratios = 1+2+4 = 7

Cement Quantity = (1/7)*9.702 = 1.386m^3

Sand Quantity = (2/7)*9.702 = 2.772m^3

Aggregate Quantity = (4/7)*9.702 = 5.544m^3

No. of cement bags required = 1.386*(1440/50) = 39.91 ~ 40bags

Sand Quantity Required = 2.772*35.32 = 97.907 ~ 98cft

Aggregate Quantity Required = 5.544*35.32 = 195.81 ~ 196cft

quantity in Beam

concrete quantity in beam

concrete volume in long beam = (length*width*depth)

= 3.66*0.3*0.25 = 0.275m^3*

No. of long beams = 22

Total volume = 0.275*22 = 6.05m^3

concrete volume in long beam = (length*width*depth)

= 3*0.3*0.25 = 0.225m^3*

No. of short beams = 9

Total volume = 0.225*9 = 2.025m^3

Total volume of Concrete in beams = 6.05+2.025 = 8.075m^3

Dry volume = 8.075*1.54 = 12.44m^3

sum of ratios = 1+2+4 = 7

Cement Quantity = (1/7)*12.44 = 1.78m^3

Sand Quantity = (2/7)*12.44 = 3.554m^3

Aggregate Quantity = (4/7)*12.44 = 7.11m^3

No. of cement bags required = 1.78*(1440/50) = 51.26 ~ 52bags

Sand Quantity Required = 3.554*35.32 = 125.175 ~ 126cft

Aggregate Quantity Required = 7.11*35.32 = 251.125 ~ 252cft

Note :- here, in the case of beam, concrete volume in beams may not be accurate due to the variation in beam length, but you will get the overall idea to calculate the concrete Quantity.

quantity in ground floor slab

concrete quantity in ground floor

Total floor area = 13.72*11 = 150.92m^2

Total Column area = 0.3*0.3*20 = 1.8m^2

Area of slab at ground floor = 150.92-1.8 = 149.12m^2

floor thickness at ground level = 0.15m

Volume of slab at ground floor = 149.12*0.15 = 22.368m^3

Dry volume = 22.368*1.54 = 34.447m^3

sum of ratios = 1+2+4 = 7

Cement Quantity = (1/7)*34.447 = 4.921m^3

Sand Quantity = (2/7)*34.447 = 9.842m^3

Aggregate Quantity = (4/7)*34.447 = 19.684m^3

No. of cement bags required = 4.921*(1440/50) = 141.72 ~ 142bags

Sand Quantity Required = 9.842*35.32 = 347.619 ~ 348cft

Aggregate Quantity Required = 19.684*35.32 = 695.238 ~ 696cft

quantity in 1st floor slab

concrete quantity in 1st floor slab

Total floor area = 13.72*11 = 150.92m^2

Total Column area = 0.3*0.3*20 = 1.8m^2

stair case area = 3.66*2.286 = 8.367m^2

Area of slab at 1st floor = 150.92-1.8-8.367 = 140.753m^2

slab thickness at 1st floor = 0.125m

Volume of slab at 1st floor = 140.753*0.125 = 17.59 ~ 17.6m^3

Dry volume = 17.6*1.54 = 27.104m^3

sum of ratios = 1+2+4 = 7

Cement Quantity = (1/7)*27.104 = 3.872m^3

Sand Quantity = (2/7)*27.104 = 7.744m^3

Aggregate Quantity = (4/7)*27.104 = 15.488m^3

No. of cement bags required = 3.782*(1440/50) = 108.92 ~ 109bags

Sand Quantity Required = 7.744*35.32 = 273.518 ~ 274cft

Aggregate Quantity Required = 15.488*35.32 = 547cft

quantity in stair case

concrete quantity in stair case

Landing

volume of landing = 2.286*1*0.1 = 0.23m^3

Total volume of landing = 0.23*2 = 0.46m^3

Waist slab

flight 1

length of waist slab = sqrt((tread*no. of tread in flight1)^2+(riser*no. of riser in flight1)^2)

no. of tread = No. of riser-1 = 9-1 = 8

length of waist slab = sqrt((0.3*8)^2+(0.2*9)^2) = 3m

volume of Waist slab in flight 1 = 3*1.143*0.1 = 0.343m^3

flight 2

length of waist slab = sqrt((tread*no. of tread in flight1)^2+(riser*no. of riser in flight1)^2)

no. of tread = No. of riser-1 = 7-1 = 6

length of waist slab = sqrt((0.3*6)^2+(0.2*7)^2) = 2.28m

volume of Waist slab in flight 2 = 2.28*1.143*0.1 = 0.261m^3

Steps

volume of step = 0.5*tread*riser*step length = 0.5*0.3*0.2*1.143 = 0.0343m^3

Total volume of steps = volume of one step*no. of steps

= 0.0343*16 = 0.548 ~ 0.55m^3

Total volume of staircase = volume of landing+volume of waist slab+volume of steps

= 0.46+0.343+0.261+0.55 = 1.614m^3

Dry volume = 1.614*1.54 = 2.485 ~ 2.5m^3

sum of ratios = 1+2+4 = 7

Cement Quantity = (1/7)*2.5 = 0.357m^3

Sand Quantity = (2/7)*2.5 = 0.714m^3

Aggregate Quantity = (4/7)*2.5 = 1.43m^3

No. of cement bags required = 0.357*(1440/50) = 10.28 ~ 11bags

Sand Quantity Required = 7.744*35.32 = 25.218 ~ 26cft

Aggregate Quantity Required = 15.488*35.32 = 50.50 ~ 51cft

Concrete Quantity Table

Sl. No.ParticularsCement (bags)Sand (cft)Aggregate (cft)
1.PCC2611
2.Footing57140280
3.Column4098196
4.Beam52126252
5.Ground Floor Slab142348696
6.1st Floor Slab109274547
7.Stair Case112651
Total41310182033

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top