Steel is considered to be one of the vital construction materials. The process of construction involves the bending of steel to a particular form. Consequently, it is important to check the ductility of the steel, which is the ability to deform under applied pressure. Bend and Rebend Test This test procedure is used to check … Read more
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
1. Pig Iron The crude impure iron, which is extracted from iron ores, is known as pig-iron and it forms the basic material for the manufacture of cast-iron, wrought iron and steel. The pig iron is manufactured by the following operations (i) Dressing: Crushed into pieces 25mm, impurities of clay, loam and other earthy matter … Read more
Some Issues in the Usage of Fe- 500 or Higher Grade TMT Steel Bars in Residential Buildings Some contractors report a tendency among few design Engineers to specify Fe-500 or higher grade steel in residential buildings citing its high strength. Customers are advised that if they use Fe 500 or higher grade steel in building … Read more
Ribbed Tor Steel Bars This is a type of deformed high strength steel. These bars are manufactured by controlled cold twisting of hot rolled bars. These bars have ribs or projection on their surface. The ribbed tor steel bars are available in different sizes varying 6mm to 50 mm in diameter. These bars are commonly … Read more
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