Issue 42

A. Jadidi et alii, Frattura ed Integrità Strutturale, 42 (2017) 249-262; DOI: 10.3221/IGF-ESIS.42.27 258 a) Hooked fiber (L/D=30) b) Hooked fiber (L/D=50) Figure 14 : Load- displacement graph - samples reinforced with 1.5% steel fibers on 28-day. a) Crimped fiber (L/D=30) b) Hybrid fiber (L/D=50) Figure 15 : Load- displacement graph - samples reinforced with 1.5% steel fibers on 28-day. Figure 16 : Load- displacement graph - samples reinforced with 1.5% hybrid steel fibers (L/D=50, L/D=50) on 28-day a) Hooked fiber (L/D=30) b) Hooked fiber (L/D=50) Figure 17 : Load- displacement graph - samples reinforced with 2% steel fibers on 28-day.