6 inch brick wall calculation and their estimate | brick quantity estimation
We know that bricks have many shape and size and their measurement, it is varies according to different nation but in this topic we measured according to indian standard size of brick that is used in standard calculation. 6″ brick wall calculation, we take nominal size of brick having dimension 9″ in length by 6″ in width by 3″ in thickness and their actual size is 9″ × 6″ × 3″.
The typical size of 6 inch brick has dimensions in inches is (L × W × H): 9 × 6 × 3 inch, in feet it is 0.75 × 0.5 × 0.25 feet, in mm it is 230 × 150 × 75 mm, in cm it is 23 × 15 × 7.5 cm and in meters it is 2.3 × 1.5 × 0.075 meters.
Cement mortar is mixture of cement sand & water used as adhesive or binding material for bricklaying. What is thickness of cement mortar in brickwork?, strength of brickwork depends on mortar thickness. Thickness of cement mortar in brickwork is about 0.4″ to 0.5″ or 10 mm is being used. More than 0.5″ thickness of mortar cement reduce the strength of brick wall so it might not be used. For brick calculation we should apply only cement mortar thickness of 0.4″ to 0.5″ or 10 mm in brickwork. More than 0.4″ to 0.5″ and less than decrease the strength of brick wall.
One aspect of brickwork which often causes confusion is estimating how many bricks or blocks will be required for a brick wall making these estimates is fairly straight forward using just a few figures.
Brick calculation for a wall is calculated with addition of wastage of brick. First the number of bricks/blocks for the total wall is calculated, then the additional number of bricks for any brick wall. These are added together and then a 10% allowance should be added for wastage and breakages.
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Brick quantity estimation
The calculations of brick quantity is based on the following assumptions:-
i) The bricks are laid on stretcher bonds
ii) There is 1/2 inch or 12mm mortar joint between the bricks
iii) The mortar mix is 1:6 (cement to sand ratio)
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There is simple way to calculate number of bricks for 6″ wall is to divide surface area of the brick wall by the surface area (vertical face) of a single brick such as formula for bricks required = wall area ÷ brick area, wall area = 10′ × 10′ = 100 sq ft, brick area with mortar is 9 1/2″ ×3 1/2″ = 33.25 sq inches, brick area in sq ft = 33.25÷144 = 0.23 sq ft, then number of bricks required = 100 ÷ 0.23 = 435 bricks.
A typical 6″ brick wall requires 435 bricks per 100 square feet. 1 sq ft 6″ wall requires 4.35 bricks, so for 100 square feet you need about 100×4.35 = 435 bricks. Thus, 435 bricks are needed for 100 square feet 6″ brick wall.
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