AN EXPERIMENTAL INVESTIGATION ON FLY ASH BRICK WITH COCOUNT COIR

Abstract

The use of brick masonry is common in our country.  The important material for construction of infill walls and load bearing walls are Clay bricks, Fly ash bricks, Hollow blocks and the dividing of rooms is made possible by steel sheets, wooden pieces and glasses.

This investigation is carried out by materials like fly ash, coir fibre, and quarry dust for manufacturing of bricks. The fly ash class ‘F’ is used for manufacturing of bricks. The fly ash is the waste product from thermal power plants and it disposed in huge volumes. But it can be used as a resource material for manufacturing of bricks. In agricultural field waste materials are generated. Especially fibres having good mechanical properties, coir fibre and banana fibre and jute fibre are examples.

This investigation deals with manufacturing of bricks using fly ash and coir fibre as a resource materials from waste and cement as a binding material, and adding coir fibre of 0.4%, 0.8%, 1.2%, 1.6%.After the specimen preparation, compressive strength test, water absorption test, shape and size test, hardness test, soundness test, color test, efflorescence test, structure test are conducted. We conclude that the brick with 1.6% of addition of coir fibre have 4.11 N/mm² of compressive strength. The maximum cost per brick Rs. 3.36.It is economical when compared to conventional bricks available in market.