A T-beam section has $b_f =1200 mm, D_f =120mm$ and $d = 400 mm,b_w =230$ mm, Ast = $6$ bars of $16$ mm $\phi$ . Determine the M.R of th section. Use M20grade of concrete, $F

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A T-beam section has $b_f =1200 mm, D_f =120mm$ and $d = 400 mm,b_w =230$ mm, Ast = $6$ bars of $16$ mm $\phi$ . Determine the M.R of th section. Use M20grade of concrete, $F_{e415}$ grade of steel.

written 7.9 years ago by

teamques10 ★ 65k

• modified 3.4 years ago

reinforced concrete structures theory

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written 7.9 years ago by

teamques10 ★ 65k

Data:- $b_f =1200 mm \\ D_f = 120 mm \\ b_w =230 mm \\ d = 400 mm \\ Ast = 6 - 16 mm \\ =1206 mm^2 \\M20, F_{e415}$

Assume $X_u \lt D_f$ [N.A lies in the flange]

$C_u=T_u\\ 0.36f_ckb_fX_u=0.87 f_yAst\\ 0.36\times 20\times1200\times X_u=0.87\times415\times1206\\ X_u=50.39 mm \lt D_f $ …

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