Development of Reinforcement Grout Materials Based on Blast Furnace Slag according to the Content of Reinforcement Fiber

Figure 8

SEM photos of reinforcing fibers: (a) specimen reinforced with a large amount of aramid fibers (250x); (b) specimen reinforced with a large amount of aramid fibers (500x); (c) sample reinforced with a large amount of carbon fibers (250x); (d) sample reinforced with a large amount of carbon fibers (500x).

(a)

(b)

(c)

(d)