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Table 4 Maximum shear crack width (mm) at 80, 125, 150 kN, and at failure load.

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

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

1.45

2.03

3.00

B7

0.20

0.56

0.95

1.87