Table 5 Increments in first crack tensile load and yield load due to steel fibres
Mix designation | Volume fraction of steel fibres (%) | First crack load (kN) | % of increase in first crack load | Yield load (kN) | % of increase in yield load |
|---|---|---|---|---|---|
B-100/00 | 0.00% | 13.40 | – | 48.00 | – |
0.50% | 14.94 | 11.49 | 51.40 | 7.08 | |
0.75% | 16.28 | 21.49 | 55.76 | 16.17 | |
1.00% | 19.54 | 45.82 | 57.45 | 19.69 | |
B-80/20 | 0.00% | 13.20 | – | 45.50 | – |
0.50% | 14.47 | 9.62 | 48.10 | 5.71 | |
0.75% | 15.84 | 20.00 | 52.25 | 14.84 | |
1.00% | 17.85 | 35.23 | 54.00 | 18.68 | |
B-60/40 | 0.00% | 12.30 | – | 45.96 | – |
0.50% | 13.76 | 11.87 | 47.96 | 4.35 | |
0.75% | 15.10 | 22.76 | 51.50 | 12.05 | |
1.00% | 16.75 | 36.18 | 53.50 | 16.41 | |
B-40/60 | 0.00% | 9.40 | – | 44.50 | – |
0.50% | 10.42 | 10.85 | 46.25 | 3.93 | |
0.75% | 11.00 | 17.02 | 48.00 | 7.87 | |
1.00% | 12.33 | 31.17 | 49.84 | 12.00 | |
B-20/80 | 0.00% | 7.00 | – | 43.86 | – |
0.50% | 7.54 | 7.71 | 45.26 | 3.19 | |
0.75% | 8.00 | 14.29 | 46.38 | 5.75 | |
1.00% | 8.53 | 21.86 | 47.56 | 8.44 | |
B-00/100 | 0.00% | 5.12 | – | 40.50 | – |
0.50% | 5.46 | 6.64 | 41.30 | 1.98 | |
0.75% | 5.75 | 12.30 | 42.00 | 3.70 | |
1.00% | 6.10 | 19.14 | 42.60 | 5.19 |