From: Repair of Pre-cracked Reinforced Concrete (RC) Beams with Openings Strengthened Using FRP Sheets Under Sustained Load
Beam
At 80 kN
At 125 kN
At 150 kN
At failure
B1
0.15
0.33
0.39
1.45
B2
1.01
3.31
–
B3
0.84
2.46
3.38
4.65
B4
0.65
1.51
2.068
2.96
B5
0.85
1.32
1.94
3.45
B6
0.91
2.03
3.00
B7
0.20
0.56
0.95
1.87