Reinforced Concrete Design Book Nscp 2015 -

[ \rho_min = \frac1.4414 = 0.00338 \quad (OK) ] [ \rho_b = 0.85\beta_1\fracf_c'f_y\cdot\frac600600+f_y = 0.85(0.85)\frac28414\cdot\frac6001014 = 0.0285 ] [ \rho_max = 0.75(0.0285) = 0.0214 \quad (OK) ]

[ \rho = \fracA_sbd = \frac3 \times 491300 \times 450 = 0.0109 ] reinforced concrete design book nscp 2015