10 Thing you have to Know about TMT Bar

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Weight of Steel bar? =(Dia xDia)/162 KG/M

What is Gross Area of Column ? =Sectional AREA of Column means (450 x 300 as example below 135000 mm2)

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What is Area of one TMT Bar ? =3.1412 x dia of bar x dia of bar /4

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Minimum percentage of steel in Column? =0.08% of Gross Area

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Maximum percentage of steel in Column? =6% of Gross Area

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Minimum percentage of steel used in Beam? =1% of Gross Area

Maximum percentage of steel used in Beam? =2% of Gross Area

Minimum percentage of steel used in Slab? =0.7% of Gross Area

Maximum percentage of steel used in Slab? =1% of Gross Area