Table 2 Experimental results.
Specimen | w f /s f | Failure load (kN) | Total shear resistance, Vtot (kN) | Resistance due to concrete, V c (kN) | Resistance due to steel, V s (kN) | Resistance due to CFRP, V f (kN) | Gain due to CFRP (%) | Deflection loading point (mm) |
|---|---|---|---|---|---|---|---|---|
NT-RF-0 | 0 | 122.7 | 81.2 | 81.2 | 0.0 | 0.0 | 0 | 2.60 |
NT-ST-35 | 40/115 | 182.6 | 120.9 | 81.2 | 0.0 | 39.7 | 49 | 6.95 |
NT-ST-50 | 87.5/175 | 203.1 | 134.5 | 81.2 | 0.0 | 53.3 | 66 | 6.16 |
NT-ST-60 | 30/50 | 197.9 | 131.1 | 81.2 | 0.0 | 49.9 | 61 | 8.03 |
NT-ST-61 | 53/87.5 | 204.9 | 135.7 | 81.2 | 0.0 | 54.5 | 67 | 5.85 |
NT-ST-70 | 87.5/125 | 227.3 | 150.6 | 81.2 | 0.0 | 69.3 | 85 | 7.23 |
NT-SH-100 | 1 | 181.2 | 120.0 | 81.2 | 0.0 | 38.7 | 48 | 4.20 |
NT-SH-200 | 1 | 183.8 | 121.7 | 81.2 | 0.0 | 40.4 | 50 | 4.10 |
WT-RF-0 | 0 | 350.6 | 232.2 | 81.2 | 151.0 | 0.0 | 0 | 11.90 |
WT-ST-50 | 87.5/175 | 372.5 | 246.7 | 81.2 | 151.0 | 14.5 | 6 | 15.93 |
WT-ST-70 | 87.5/125 | 383.4 | 253.9 | 81.2 | 151.0 | 21.7 | 9 | 15.73 |
WT-SH-100 | 1 | 378.3 | 250.6 | 81.2 | 151.0 | 18.4 | 8 | 15.24 |