Research Article
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 |
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