Performance of Cracked Ultra-High-Performance Fiber-Reinforced Concrete Exposed to Dry-Wet Cycles of Chlorides

Figure 5

The corrosion of steel fibers of UHPC specimens after 100 cycles of drying and wetting: (a–d) the crack width 0, 0.15 mm, 0.3 mm, and 0.5 mm. The arrow indicates the direction of solution erosion.