FIRE RESISTING PROPERTIES OF COMMON BUILDING MATERIALS

Fire resisting properties of common construction material-min

FIRE RESISTING PROPERTIES OF COMMON BUILDING MTERIALS Fire resisting properties of common building materials such as stone, brick, timber, cast-iron, glass, steel and concrete are mentioned below. 1. STONE The stone is a bad conductor of heat. But it suffers appreciably under the effects of fire. The stone is also liable to disintegrate into small … Read more

QUALITY REQUIREMENTS FOR BURNT CLAY FLY ASH BUILDING BRICKS

Quality of Fly ash bricks

Quality Requirement of Fly Ash Bricks 1. General Quality Bricks shall be free from cracks and flaws and nodules of free lime. Bricks shall have smooth rectangular faces with sharp corners Bricks shall be uniform in colour The proportion of soil and fly ash shall be as per IS-2117-1991. Fly ash used to manufacture of … Read more

WHAT ARE THE DEFECTS FOUND ON BRICKS?

Efflorescence of Brick- Defects found on bricks

Bricks used in construction industry can have the following defects. So before using the bricks, it should be inspected properly for presence of any of the following defects. Different Types of Defects Found on Bricks 1. Over-burning of Bricks Bricks should be burned at temperatures at which incipient, complete and viscous vitrification occur. However, if … Read more

SPECIFICATION FOR BURNT CLAY HOLLOW BRICKS USED FOR WALLS AND PARTITIONS

Reference IS 3952-1988 – Specification for burnt clay hollow bricks for walls and partitions. General Quality o    Bricks shall be free from cracks and flaws and nodules of free lime. o    Bricks shall have smooth rectangular faces with sharp corners o    Bricks shall be of uniform in colour and texture. o    Bricks shall be free … Read more

WATER ABSORPTION TEST OF BURNT CLAY HOLLOW BRICKS

REFERENCE IS-3952-1988-Specification for the burnt clay hollow bricks used for walls and partition Objective To determine the water absorption of burnt clay hollow bricks used for walls and partitions. Equipment Name Capacity Balance Sensitive to 0.1% of mass of specimen Oven 110 to 1150C   Procedure Dry the specimen in an oven maintained at a … Read more

ADDITIVES USED FOR BRICK MANFACTURING

Structure Opening Materials

Why additives used? Additives are used to improve some properties of clay mass, such as Shaping characteristics Drying behavior Firing behavior More than that, some of the additives help in conservation of agricultural land and utilization of waste materials. And remember, additives must contain certain physical and chemical characteristics so that it does not adversely … Read more