Research Article
Development of Steel Fiber-Reinforced Expanded-Shale Lightweight Concrete with High Freeze-Thaw Resistance
Table 4
Specified minimum value of the DF.
| Design service life | 100 years | 50 years | 30 years | Environmental condition | Highly saturated | Moderately saturated | Highly saturated | Moderately saturated | Highly saturated | Moderately saturated |
| Severe cold area | 0.80 | 0.70 | 0.70 | 0.60 | 0.65 | 0.50 | Cold area | 0.70 | 0.60 | 0.60 | 0.50 | 0.60 | 0.45 | Partial freezing area | 0.60 | 0.60 | 0.50 | 0.45 | 0.50 | 0.40 |
|
|