Which type of brick is used in construction?

There are several types of bricks that are used in construction, including:

1. Clay bricks: These are the most common type of bricks and are made from clay and shale. They are fired in a kiln to give them strength and durability.

2. Concrete bricks: These bricks are made from concrete and are commonly used in foundations and load-bearing walls. They are a more affordable alternative to clay bricks and are not subject to damage from freezing and thawing.

3. Sand-lime bricks: These bricks are made from sand and lime and are often used for decorative purposes, as they have a smooth, even surface.

4. Fly ash bricks: These bricks are made from fly ash, a byproduct of coal-fired power plants. They are a more environmentally friendly alternative to clay bricks and are commonly used in construction.

5. Engineering bricks: These bricks are made from clay and are used in situations where a high level of strength and durability is required, such as in foundations and retaining walls.

6. Calcium silicate bricks: These bricks are made from sand, lime, and cement and are known for their high strength and low water absorption. They are often used in industrial construction.