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Size of TMT bar for RCC main slab and beam

Fri Jan 27, 2017Total posts : 2
Rahul
Rahul
Join date: Dec 2016
Topic: Size of TMT bar for RCC main slab and beam

Hi,
My contractor recommended me to use 8mm TATA TMT bar for main RCC slab and 12mm for beam. Its 1st floor roof contaction(520 sqft). Give me some suggestion.
Fri Jan 27, 2017Post  #1
S L Gupta (Civil Engg)
S L Gupta (Civil Engg)

Join date: Mar 2008
Dear Rahul,
        The size and spacing of MS Steel bar is calculated on the basis of design. In general design use at least 10 mm dia tor steel bars for main in RCC slab and in beam above 10 feet span of beam use 16 mm dia tor steel bars.
 
Fri Jan 27, 2017Post  #2
Rahul
Rahul

Join date: Dec 2016
Thank you for your valuable suggestion.

Maximum span between two piller(column) is less(or equal) 10ft. So 12mm TATA TISCON bar is enough or I should  use 16mm for beam.
 

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