In civil engineering terms, a brick is a rectangular block made of clay, shale, or other materials, that is typically used for construction purposes. The composition of a brick can vary depending on the specific materials used, but generally, a brick is composed of the following:
Clay: The primary component of a brick is clay, which is typically obtained from natural sources such as river beds or quarries.
Sand: Sand is added to the clay to improve the texture and strength of the brick.
Water: Water is used to mix the clay and sand together to form a malleable material that can be molded into a brick shape.
Additives: Additives such as sawdust or straw may be added to the clay mixture to improve the thermal insulation properties of the brick.
Once the clay mixture has been prepared, it is molded into a brick shape and then fired in a kiln at high temperatures to harden the brick and improve its durability. The firing process causes the clay to vitrify, or turn into a hard, glass-like substance, which makes the brick more resistant to water and weathering