Fly Ash Bricks

Fly ash is a useful by‐product from thermal power stations using pulverized coal as a fuel and has considerable pozzolanic activity. This national resource can be gainfully utilized for manufacture of fly ash‐lime bricks as a supplement to common burnt clay building bricks leading to conservation of natural resources and improvement in environmental quality. Fly ash‐lime bricks are obtained from materials consisting of fly ash in major quantity, lime and an accelerator acting as a catalyst.

Fly ash‐lime bricks are generally manufactured by inter‐grinding or blending various raw materials which are then molded into bricks and subjected to curing cycles at different temperatures and pressures. On occasions, as and when required, crushed bottom ash or sand is also used in the composition of the raw material. Crushed bottom ash or sand is used in the composition as a coarser material to control water absorption in the final product. Fly ash reacts with lime in presence of moisture to form a calcium silicate hydrate which is the binder material. Thus fly ash‐lime brick is a chemically bonded brick.

Fly Ash Bricks : Brief Project Details: Cost of Project Rs. 36.00 Lacs Capacity of Unit: 4 Lacs bricks/Month Free Download Customization
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