Table 2 Properties of the used steel, glass and polypropylene fiber.
Properties | Fibers type | ||
|---|---|---|---|
Plain mild steel | NEG ARG glass | MC polypropylene* | |
Fiber length (mm) | 25 | 25 | 15 |
Fiber diameter | 0.5 mm/filament 1 mm/bi-filament | 10–12 µm/filament 1–1.2 mm/strand | 0.0965 ± 10 %** |
Specific gravity (t/m3) | 7.8 | 2.7 | 0.90 |
Tensile strength (MPa) | 3600 | 1400 | 550–600 |
Young’s modulus (MPa) | 200,000 | 74,000 | 3600–3900 |
Strain at failure (%) | 6–9 | 2 | 14–25 |
Geometry | Bi-filament | Chopped strands | Monofilament |