Table 1 Physical and mechanical indices of polypropylene fibers.
From: An Experimental Study of Shear Resistance for Multisize Polypropylene Fiber Concrete Beams
Fiber no. | Equivalent diameter (μm) | Length (mm) | Tensile strength (MPa) | Elastic modulus (GPa) | Elongation at break (%) | Density (g cm−3) | Recommended dosage (kg m−3) |
|---|---|---|---|---|---|---|---|
FF1 | 26.1 | 19 | 641 | 4.5 | 40 | 0.91 | 0.9 |
FF2 | 100 | 19 | 322 | 4.9 | 15 | 0.91 | 0.9 |
CF1 | 800 | 50 | 706 | 7.4 | 10 | 0.95 | 6.0 |