Answer / m ghailani

Area= (pie * D^2)/4

Where,
-Area is area of one steel bar
-pie is equal 22/7
-D is diameter of reinforcement bar

therefore,
D= sqrt((Area *4)/ pie)

Answer / abhijit

check the is code SP-16 which is an aid to rcc design
compare the area which comes closest to your calculated
area u'll get the dia. of the bar and the num. to be provided.
u can also combine two areas to get your Ast. but then u'll
have bars of two dia.

for a basic thumb rule.
use formula 3.14(pi)/4* dia*dia=Ast.
u'll get dia. from the eqn.

Answer / rajani

Area=d^2/162

Why reinforcement done in shorter span in two way slabs

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