Polyvinyl Alcohol Fiber Length Optimization for High Ductility Cementitious Composites with Different Compressive Strength Grades

Figure 15

Four-point flexural stress versus midspan deflection curves. (a) 0.30–80% series. (b) 0.30–60% series. (c) 0.25–60% series. (d) 0.22–60% series.

(a)

(b)

(c)

(d)