Table 6 Number of fibres counted on different locations of fractured cross sections.
From: Anchorage Effects of Various Steel Fibre Architectures for Concrete Reinforcement
Mix | Distance from the top (mm) | No. of fibres | % of fibres | Density | Orientation factor α | ||
|---|---|---|---|---|---|---|---|
Mean | Cv (%) | Fibres/cm2 | Mean | SD | |||
3D-35-40 | Raw1 | 44 | 11.36 | 24.22 | 0.93 | 0.445 | |
Raw2 | 46 | 8.69 | 24.95 | 0.96 | 0.459 | 0.01 | |
Raw3 | 48 | 10.41 | 26.42 | 1.02 | 0.486 | ||
Raw4 | 45 | 15.55 | 24.40 | 0.94 | 0.449 | ||
3D-35-80 | Raw1 | 85 | 12.94 | 22.63 | 1.80 | 0.428 | |
Raw2 | 104 | 4.80 | 27.8 | 2.21 | 0.526 | 0.04 | |
Raw3 | 98 | 3.06 | 26.11 | 2.08 | 0.494 | ||
Raw4 | 88 | 5.68 | 23.44 | 1.87 | 0.444 | ||
3D-60-40 | Raw1 | 25 | 16 | 23.24 | 0.54 | 0.687 | |
Raw2 | 29 | 6.89 | 26.29 | 0.61 | 0.777 | 0.03 | |
Raw3 | 28 | 21.42 | 25.68 | 0.59 | 0.759 | ||
Raw4 | 27 | 14.81 | 24.77 | 0.57 | 0.732 | ||
3D-60-80 | Raw1 | 48 | 16.66 | 25.66 | 1.02 | 0.651 | |
Raw2 | 47 | 8.51 | 25.55 | 1.01 | 0.649 | 0.20 | |
Raw3 | 44 | 11.36 | 23.88 | 0.95 | 0.606 | ||
Raw4 | 46 | 15.21 | 24.77 | 0.98 | 0.628 | ||
4D-60-40 | Raw1 | 21 | 17.34 | 22.10 | 0.95 | 0.606 | |
Raw2 | 23 | 10.26 | 24.21 | 0.98 | 0.628 | 0.01 | |
Raw3 | 28 | 13.85 | 29.47 | 1.01 | 0.642 | ||
Raw4 | 23 | 22.24 | 24.21 | 0.95 | 0.606 | ||
4D-60-80 | Raw1 | 47 | 19.14 | 26.60 | 0.99 | 0.664 | |
Raw2 | 42 | 4.76 | 24.00 | 0.89 | 0.719 | 0.045 | |
Raw3 | 45 | 26.67 | 25.90 | 0.96 | 0.643 | ||
Raw4 | 41 | 17.07 | 23.42 | 0.87 | 0.611 | ||
5D-60-40 | Raw1 | 24 | 16.67 | 24.31 | 0.51 | 0.642 | |
Raw2 | 26 | 26.92 | 26.71 | 0.55 | 0.705 | 0.03 | |
Raw3 | 24 | 20.83 | 24.65 | 0.52 | 0.651 | ||
Raw4 | 23 | 26.08 | 24.31 | 0.50 | 0.642 | ||
5D-60-80 | Raw1 | 46 | 15.21 | 25.37 | 0.97 | 0.619 | |
Raw2 | 44 | 20.45 | 24.62 | 0.94 | 0.601 | 0.008 | |
Raw3 | 46 | 8.69 | 25.18 | 0.96 | 0.615 | ||
Raw4 | 45 | 17.77 | 24.81 | 0.95 | 0.610 | ||