A Prediction Model for Concrete Cracks due to Chloride-Induced Corrosion

Table 3

Design value of axial tensile strength of concrete (N/mm²).

Strength grade of concrete	C15	C20	C25	C30	C35	C40	C45	C50	C55	C60	C65	C70
ft	0.91	1.10	1.27	1.43	1.57	1.71	1.80	1.89	1.96	2.04	2.09	2.14