Fly Ash Bricks The Common Masonry Units

By: Devid Hussain

In general, the basic foundation units of every construction are laid by the use of Bricks which form the important masonry material in the process of construction. Bricks are made by using the ceramic material that generally include clay, limestone, sand, concrete by burning in the kilns and are usually stacked together. Fly ash bricks are highly used instead of conventional bricks these days. Fly ash brick making machines are involved in order to prepare these bricks. They are laid in various fashions to produce permanent structures with immense strength.

Fly ash Bricks.

Fly ash bricks are often the common masonry units prepared using 60-80% of fly ash, 10% sand or stone dust, 10-20% lime and 10% gypsum. The fly ash used belongs to class C kind, which contains high concentrations of Calcium Oxide, making them the self cementing units. The process of brick preparation makes the use of water and saves energy.

Brief Making of Fly ash Bricks.

Fly ash bricks are prepared using the raw materials like fly ash, sand, lime and gypsum. These are manually fed into a mixer and are allowed to mix by adding water. The mixture is allowed to set and is called the pozzalona cement mix. Sand is added to the mixture and is thoroughly mixed. It is later shifted to the hydraulic presses, which can withstand high pressure of about 4,000 psi. The mixture is added to the moulds in order to get the bricks their shape. These moulded bricks are then transferred for setting. These are subjected to steam bath in order to make them tough and then allowed to curing for about 20 days and then subjected to thawing. They are then sorted out and dispatched for masonry works.

Benefits in using the Fly ash Bricks:

Both manufacturing and the use of Fly ash bricks are found to have several advantages over the conventional clay brick units. They include:

(1) These are uniform in size and shape and hold immense strength, provided by its manufacturing process. It is subjected to several freeze thaw cycles, which makes them stronger.

(2) Due to their uniform shape, the gypsum plaster can be directly applied on these without prior coatings.

(3) Due to the self cementing ability the motor consumption is comparatively very less.

(4) These are resistant to salinity and water penetration is comparative less than the clay bricks. Therefore there are fewer problems due to seepage.

(5) In the manufacture process of fly ash bricks, there is a reduced chance of air pollution caused through mercury pollution when compared to the traditional clay brick manufacturers.

(6) These weigh less than the clay bricks and so are easily transported.

Because of all these advantages, there is an increased use of fly ash bricks manufactured from specialized Fly Ash Brick Making Machine. They are finding increased use as building units, masonry units and are also found serving other construction requirements. Their manufacturing process cost less than the normal clay brick production procedure.

Fly ash bricks are manufactured using specialized brick making machines at Megha Engineering, which is totally into the manufacturing of high quality products of Masonry importance. They offer complete engineering solutions by providing bricks, blocks and varieties of designer and cement tiles.

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| More offers clients with Fly Ash Brick Making Machine that are used for making bricks of different sizes from fly ash.

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