Composition of Bricks:-

Silica (sand) 50 to 60% of the dry weight of bricks, Alumina (Clay) 20 to 30% of the dry weight of bricks, lime is 10 to 12% dry weight of bricks, Alkalis is less than 10% of the dry weight of bricks, Magnesia is less than 1% of the dry weight of bricks, a ferric oxide is less than 7% of the dry weight of bricks. Some basic details are stated below

1. Standard size for Modular brick (without Mortar) – 190 x 90 x 90 mm, brick is required for 1m³-650 no’s

2. Brick size with Mortar (Nominal Brick) – 200 x 20 x 20 mm, brick is required for 1m³-500 no’s, With mortar and 5% of Standard Wastage- 525 no’s

3. Standard size for Non-modular brick – 230 x 110 x 70 mm & 230 x 110 x 30 mm

4. Standard size for English Size brick – 230 x 115 x 75 mm

5. Standard size for English Size brick – 230 x 115 x 75 mm

6. Standard size for Conventional brick – 230 x 110 x 110 mm

7. Allowable wastages for brick in construction is 0 – 5%

8. Curing Brickwork shall be well watered continuously for 10-14 days

Bricks are Classified in different factor, Following Types of Bricks are used Construction 

Classification (or) Type of brick based on Raw material

1.Burnt Clay Bricks 2. Sun-Dried Clay Bricks 3. Concrete Bricks 4. Engineering Bricks 5.Sand Lime Bricks 6.Fly Ash Bricks 7.Firebrick

Classification (or) Type of brick based on Shape

1. Squint brick 2. Splay Brick 3. Coping Brick 4. Bull Nose brick 5. Cow nose brick 6. Perforated brick 7.Hollow Brick

Classification (or) Type of brick-based weather resisting capability

1. No weather grade 2.Moderate weather grade 3. Severe weather grade

Classification (or) Type of brick based on building Process

1. Unburnt Bricks 2.Burnt bricks

Classification(or) Type of brick based on manufactured method

1. Ground-Molded brick 2.Table-Molded brick 3.Machine-Molded brick

Classification (or) Type of brick based on Quality: –

1. First Class brick 2. Second class Brick 3. Third class Brick 4. Fourth Class Brick

First-class brick cursing Strength is -10.50 N/mm2, which is used for constructing the Exterior walls and flooring, and its water absorption capacity is –less than 20 % of the weight of brick

Second-class brick cursing Strength is -7.00 N/mm2, which is used for constructing the Exterior wall use with plastering, and its water absorption capacity is – less than 22 % of the weight of brick

Third-class brick cursing Strength is -3.50 N/mm2, which is used for constructing temporary construction in dry conditions and its water absorption Capacity for Third Class Brick is – 22-25 % of the weight of brick