Influence of Steel Fiber on Durability Performance of Concrete under Freeze-Thaw Cycles

Table 4

Frost durability factors and applicable condition of the SFRC.

No.	Frost resistance grade F	Durability factor DF (%)	Applicable conditions
PC	100	20	Nonfrozen area
SFRC20	150	30	Nonfrozen area
SFRC40	200	40	Moderate saturated and slightly frozen area with design life of 30 years
SFRC60	225	45	Moderate saturated and frozen area with design life of 30 years
			Moderate saturated and slightly frozen area with design life of 50 years