Description
| Brick | Properties |
| 1. Type | 1. First Class Brick |
| 2. Size | 2. 19 x 9 x 9 cm |
| 3. Crushing Strength | 3. 105 kg/cm2 |
| 4. Edges | 4. Sharp and square. |
| 5. Color | 5. Uniform red or brown. |
| 6.Shape | 6. Standard and uniform (rectangular) |
| 7.Water Absorbing | 7. 15% to 20 % of its self-weight when submerged in water for 24 hours. |
| 8.Surface | 8. Smooth and straight |
| 9. Use of this Brick | 9. Superior work,1 class construction |
Based on material such as clay, concrete, lime, fly ash, an, etc different types of bricks are used and for different constructions work filed identification of bricks for their properties, suitability, and use is important. Manufactured from clay brick is an important construction material that is available in a rectangular shape.
- Burnt Clay Bricks
- Concrete Bricks
- Fly Ash Bricks
- Fire Bricks
- Sand Lime Bricks
- Sun-Dried Bricks
BURNT BRICKS
The classic form of the bricks is burnt clay bricks. These types of bricks are created by pressing the wet clay into the molds than these are drying and firing in the kilns. This material is the oldest building material; these bricks are the solid blocks of hard clay & reddish in color.
These bricks have the best quality and good strength but costly.
Burnt clay bricks are also classified into four types;
FIRST-CLASS BRICKS
They are good quality bricks as compared to other and these bricks contain standard shape, smooth surface, and sharp edges. These are created by table molding and burnt in large kilns.
SECOND CLASS BRICKS:
They are moderate qualities that are molded by the process of ground molding. They do not have a smooth surface and sharp edges because of ground molding but these bricks also result in strength and durability.
| Brick Feature | Properties |
| 1. Type | 1. Second Class Brick |
| 2. Size | 2. 19 x 9 x 9 cm |
| 3. Crushing Strength | 3. 70 kg/cm2 |
| 4. Edges | 4. Uneven faces may consist of hairline cracks. |
| 5. Color | 5. Uniform color. |
| 6. Water Absorbing | 6. 22% of its self-weight when submerged in water for 24 hours. |
| 7. Crushing Strength | 7. 70 kg/cm2 |
| 8. Shape | 8. Slightly irregular as compare to 1 class |
| 9. Use in | 9. Internal walls |
THIRD CLASS BRICKS
They are poor quality bricks used for temporary structure and not suitable for rainy areas. These bricks are burnt in clamps and surface of these type of bricks have unfair edges and are rough.
| Brick | Properties |
| 1. Type | 1. First Class Brick |
| 2. Size | 2. 19 x 9 x 9 cm |
| 3. Crushing Strength | 3. 105 kg/cm2 |
| 4. Edges | 4. Sharp and square. |
| 5. Color | 5. Uniform red or brown. |
| 6.Shape | 6. Standard and uniform (rectangular) |
| 7.Water Absorbing | 7. 15% to 20 % of its self-weight when submerged in water for 24 hours. |
| 8.Surface | 8. Smooth and straight |
| 9. Use of this Brick | 9. Superior work,1 class construction |
FOURTH CLASS BRICKS
They are very poor quality bricks and not used in the structure, in aggregates they are crushed and used and these bricks are obtained by over burning so they can break easily and not used for construction.
Uses
These bricks are solid blocks and have good quality & strength, so these are used in the foundations, columns & masonry walls.
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