From: Shear retrofitting with manually made NSM FRP sheets (MMFRP) of RC beams
Specimen | Pu | Total shear resistance | Resistance due to concrete and steel | Resistance due to CFRP and epoxy | Gain due to CFRP and epoxy | Deflection mid. span |
---|---|---|---|---|---|---|
KN | KN | KN | KN | Â | Mm | |
B1 | 145 | 72.5 | 72.5 | 0.0 | 0% | 9.0 |
B2 | 203 | 101.5 | 72.5 | 29.0 | 40% | 12.2 |
B3 | 201 | 100.5 | 72.5 | 28.0 | 39% | 8.8 |
B4 | 208 | 104.0 | 72.5 | 31.5 | 43% | 18.5 |
B5 | 214 | 107.0 | 72.5 | 34.5 | 48% | 13.1 |
B6 | 229 | 114.5 | 72.5 | 42.0 | 58% | 17.7 |
B7 | 243 | 121.5 | 72.5 | 49.0 | 68% | 15.0 |
B8 | 225 | 112.5 | 72.5 | 40.0 | 55% | 13.0 |
B9 | 230 | 115.0 | 72.5 | 42.5 | 59% | 15.8 |
B10 | 252 | 126.0 | 72.5 | 53.5 | 74% | 16.0 |