Clay bricks types of clay bricks size manufacturing of clay brick flow chart

1. CLAY BRICKS
ROLL NO.19CED45

2. WHAT IS BRICK
The artificial material of
construction in
The form of clay bricks of
uniform size of
Shape are known as bricks

3. Type of Clay Bricks
Traditional Brick
Modular brick
23cmX11.4cmX7.6cm
19cmX9cmX9cm

4. Components of good brick
Silica(sand) :-50% to 60% It is responsible for preventing cracking, shrinking
Alumina:-20%to30% Plasticity of earth
If present in excess, then the raw brick shrink and warp during drying.
Lime:-5%to10% It prevents shrinkage of bricks on drying.
Silica in clay to melt on burning
Excess of lime causes the brick to melt and brick looses its shape.
Iron oxide:- 5%to7%
Shrinkage
Excess of magnesia leads to the decay of bricks.
Strength and hardness.
Redcolour to the bricks.
Excess, then the colour of brick becomes dark blue or blakish.
Less than brick becomes yellowish
Magnesia:- 1%

5. Manufacturing of clay bricks

6. Any doubts ?
Thank You