Experimental Investigation on the Effect of Steel Fibers on the Flexural Behavior and Ductility of High-Strength Concrete Hollow Beams

Figure 7

Fracture surfaces of the prisms with different fiber contents: (a) B0.0, (b) B0.5, (c) B1.0, and (d) B1.5.

(a)

(b)

(c)

(d)