Category: 5. Bricks

Fly ash is one of the residues produced in coal combustion. It is commonly captured from the chimneys of coal-fired power plants and is one of two types of ash collectively known as coal ash. The second, bottom ash, is removed from the bottom of the coal furnaces. Depending on the coal combustion source and…

Bricks are manufactured in different sizes. If the bricks are too big, they are difficult to burn and handle. But, on the other hand, if the bricks are small, more quantity of mortar is required while laying. The standard size recommended by the Bureau of Indian Standards (BIS) in India is 19 cm × 9…

The shape of the clamp is usually trapezoidal. A brick wall is built at the short end and a layer of fuel is placed on the prepared floor. Commonly used fuels include cow dung, garbage, rice husk, wood, coal etc. The thickness of the fuel layer ranges from 70 to 80 cm. After this, a…

In this method, the ground is first leveled and fine sand is sprinkled on it. The mold is immersed in water and placed on the ground. The clay is pressed into the mold in such a way that it fills all the corners of the mold. Any excess soil from the top of the mold…

This is currently the most common method of manufacturing bricks. It is adopted where labor is cheap and readily available. Molds used for hand molding are rectangular boxes made of well-seasoned wood or steel that are open at the top and bottom. Hand molding is of two types: Ground moldingTable moulding

Molding is the process of making rectangular shaped brick units from properly tempered clay. There are two types of molding. Hand moldingMachine molding.

As a practice, suitable clay deposits are first found and thoroughly tested for quality of brick production. Clay for bricks is prepared in the following order. Dirt: The top layer of soil is removed. This is because the soil in the top layer is full of impurities, so it has to be discarded for making…

The preparation of bricks is done in several stages. This includes the following: Soil selection and preparationForming and molding of unitsto dryis burning

The ingredients of good brick soil are: Alumina: A good brick earth should contain 20-30% alumina. It gives plasticity to the soil. An excess of alumina causes shrinkage and warping of the brick during drying and firing, and it becomes very hard when fired.Silica: Silica makes up 50-60% of good brick earth. It is seen…

Brick making is mostly a village industry. Since the dawn of civilization, bricks have been made by drying in the sun. The Great Wall of China was made of both burnt and sun-dried bricks. Bricks have been used in every class and type of building all over the world. In places where clay is available…