Number of bricks, Amout of cement & sand. 1 cubic meter for brick masonry.
DATA
Volume (length x width x height) = 1 m3
Mortar thickness = 10mm
Mortar ratio =1:6
Standard size of brick = 190mm x 90mm x 90mm
(0.19m x 0.09m x 0.09m)
Modular size of brick = (0.2m x 0.1m x 0.1m)
Number of bricks Calculation
Standard size of brick = (0.19m x 0.09m x 0.09m)
Volume = 0.001539 m3
Volume of Modular brick = (0.2m x 0.1m x 0.1m)
= 0.002cum
Number of Bricks
= Volume/Modular size of Brick
= 1 / 0.002 = 500 Bricks.
Cement calculation
Volume covered by 500 bricks in 1 cum
Volume = No's of bricks x volume of 1 bricks
500 bricks volume = 500 x 0.001539
= 0.77 cum
Volume = total volume - volume of bricks
Mortar volume = 1 - 0.77 = 0.23 cum
( wet volume of cement )
Dry volume of cement = 0.23 x 1.33 = 0.306cum
(here 1.33 is constant)
Cement
Density of cement 1 cum = 1440kg;s
Cement = (dry volume x ratio x
density of cement / sum of ration)
=(0.306 x 1 x 1440) / 7 = 62.94 kg's
62.94 / 50 = 1.26 bag ( 1 bag cement = 50kg's )
Sand
= (0.306 x 6 x 35.31) / 7 (1 cum sand = 35.31 cubic feet )
= 9.26 cubic feet
Results
Bricks - 500 no's
Cement - 1.26 bags
Sand - 9.26 cubic feet
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