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Dasign of T- beam is some what similar to rectangular beam, in design slab thickness is determined first. the slab is acts as compression flange in designing the beam. the flange acts as compression zone, which is balance by steel embeded in the bottom web of the beam.
slab thickness= t, in.
effective depth= d, in.
width of web= b', in.
flange width= b, in.
width of flange should be least of the three alternatives,
1. span/4.
2. b' + 16t.
3. centre to centre spacing of beams.
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