Classification of bricks as per conventional standard

SUBMITED BY:-ANDREW FELIX JOHNBSC ID 2ND SEM

ELEMENTS OF MATERIAL

CLASSIFICATION OF BRICKS AS PER CONVENTIONAL STANDARDS

SUNDRIED KATCHA BRICKS

BURNT OR PUCCA BRICKS

SUNDRIED OR KATCHA BRICKS

The bricks which dried only in sun are called sundried or katcha bricks.

USES

They are only suitable for constructing enclosures etc.

BURNT OR PACCA BRICK

The bricks which are burnt in a kill after holding and drying are called burnt or pacca bricks.

USESThese are generally used in permanent walls.

THEY ARE FURTHER CLASSIFIED INTO 4 TYPES

•FIRST CLASS BRICKS•SECOND CLASS BRICKS•THIRD CLASS BRICKS•OVERBURNT OR JHAMA BRICKS

FIRST CLASS BRICKS

The bricks which are well burnt and are of uniform size and shape are know as first class bricks.

PROPERTIESThey shall be well burnt and free from saline deposit.They shall be of uniform in size and colour .They shall have fine uniform texture.They shall have clean sound.

USESMasonry work , flooring, face work etc.

SECOND CLASS BRICKS

The bricks which not well burnt and are not of uniform shape and size and colour are known as second class bricks.

PROPERTIESThey shall not be having uniform brick colour.They shall be same what irregular shape having rough surface.They are not so hard.

USESThese bricks are in interior wall.

THIRD CLASS BRICKS

The bricks which are under burnt and are not uniform in shape and size are called third class or pilla bricks.

PROPERTIESThey shall be slightly under burnt.They shall be yellowish in colour.They shall have loose and non-uniform texture.

USESTemporary building construction, scaffolding

OVER BURNT OR JHAMA BRICKS

The bricks which are over burnt and of irregular in shape and size are called over burnt or jhama bricks.

PROPERTIESThey shall be over burnt and districted bricks.They shall be dark in colour.They shall produce metallic ringing sound.

USES They are used as aggrigates and as road metal.

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