Fig. 3
Parameters of RC section: f y = 530 MPa, f ct = 4.50 MPa, A s = 50.27 mm2 (1 Ø 8), A c = 9025 mm2: a Function G[ε max ] for different values of \( A_{c}^{\prime} \); the equation G[ε max ] = 0 has no positive real solutions when \( A_{c}^{\prime} /A_{c} \) is greater than the limit value λ. b Effect of tension stiffening area over the embedded steel behavior model.