Table of Contents
- 1 Introduction:-
- 2 Classification of Bricks:-
- 3 Frequently Asked Questions:-
Brick is most commonly used building material and used for constructing walls, roofs, paving floors, etc. The term brick is referred as a rectangular unit composed of clay. Bricks are available in different classes and sizes. The sizes of brick may vary according to the region. To know about Brickwork calculation learn some basic info on Bricks.
Classification of Bricks:-
Bricks are usually classified into two types:-
Fired brick and Non fired brick. and they are further Classified into three classes based on the quality of brick. “First Class, Second Class and third class bricks.”
Composition of brick:-
Alumina:- A good class brick consists of 20-30% of Alumina. Excess of Alumina in clay makes the brick crack and wrap on drying.
Silica:- In general, bricks are made with 50-60% of Silica in it. Excess of Silica in brick makes the brick to brittle.
Lime:- Brick consists of 0.8-2% of Lime in it. Excess of lime in brick may cause to melt and distort during burning.
Other constituents:- Magnesia, Sodium, potassium, manganese and iron oxide.
Frequently Asked Questions:-
1.No. Of Bricks required for 1 Cubic Metre. (Brickwork Calculation)
To calculate this follow the below Steps-
Calculate the Volume of Single brick:
Standard Size of Brick is varied according to the region. For calculation, I am considering
the size of brick is 9″x4″x3″
Step-2:- Unit Conversion
Converting inch to m for ease in calculation
Total Volume = 9″x4″x3″ = 0.2286m x 0.1016m x 0.0762m
Volume of Brick in Cu.m = 0.00176980 cu.m
Volume required = 1m x 1m x 1m
Total Volume Required = 1Cu.m or 1m3
Volume of Each brick = 0.0017698m3
No. of Bricks in 1m3 = 1/0.0017698 = 565 Bricks
Hence, 565 bricks are required for 1 cubic metre of bricks.
2. How to Calculate No. of Bricks required in a wall of
10′ x 10′. (Brickwork calculation)
Bricks are bonded each other using 1:6 Cement Masonry. We generally adopt 1″ of thickness between each layer of Bricks.
Therefore the thickness of Cement Masonry layer is 1″ or 25mm
Step 1:- Adding mortar thickness to brick
Size of brick is 9″x4″x3″
Add this 1″ to all sides of brick therefore
The size of brick with mortar thickness is 10″ x 5″ x 4″
Step 2:- Unit Conversion
For ease in calculation convert (9″x 4″ x3″) inch to ft
= 0.75ft x 0.41ft x 0.33ft
Area of Total wall (L x D) = 10′ x 10′ = 100 SFT
Area of Each Brick (L x D) = 0.75′ x 0.33′ = 0.247 SFT (With Mortar thickness)
Step 3:- Deductions
RCC Bed is provided for every 3ft of height of Brickwork.
As per above figure Length and Height is 10Ft x 10Ft Height,
For 10′ height there must be 2 Beds in brickwork.
Dimensions of RCC Bed in Brickwork calculation:-
The length of bed may go up to the length of brick work and bed is attached to Columns for transferring the vertical load.
Depth of the bed may varies between 3″ to 4″. (Refer above fig)
(Let us consider the maximum i.e., 4″ or 0.33′)
The length and Depth of Bed is 10′ x 0.33′
Side area of bed (L x D) = 10’x0.33′ = 3.3SFT
There are Two beds in brickwork so = 2×3.3SFT = 6.6 SFT
Deduct the area of RCC Bed from the above wall area for Brickwork calculation
Therefore, 100Sft – 6.6Sft = 93.4Sft
Area of Each brick = 0.247Sft
Total No. of Bricks = 93.4/0.247 = 406.8 = 378 Bricks required (approx)
Result :- For 10′ x 10′ wall of Brickwork approximately 378 bricks required.
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