Table 4 Test results of bond strength and pike-slip.

From: Experimental study of the bond behavior of 400MPa grade hot-rolled ribbed steel bars in steel fibre reinforced concrete

Trial no.

su (mm)

τu (MPa)

τu/τu0

C4H4/14-0

1.57

13.08

1.00

C4H4/14-0.8

1.49

16.27

1.24

C4H4/14-1.2

2.09

15.39

1.18

C4H4/14-1.6

1.45

18.88

1.44

C4H4/14-2.0

1.69

20.65

1.58

C4H4/20-0

0.89

13.05

1.00

C4H4/20-0.8

0.24

15.43

1.18

C4H4/20-1.6

1.10

18.04

1.38

C4H4/20-2.0

1.72

19.97

1.53

C5H4/14-0

1.34

15.06

1.00

C5H4/14-0.8

1.45

18.86

1.25

C5H4/14-1.2

2.41

18.30

1.22

C5H4/14-1.6

0.98

20.48

1.36

C5H4/14-2.0

2.66

21.83

1.45

C5H4/16-0

1.25

15.13

1.00

C5H4/16-0.8

1.38

17.77

1.17

C5H4/16-1.2

1.67

19.12

1.26

C5H4/16-1.6

1.87

21.12

1.39

C5H4/16-2.0

1.72

20.54

1.36

C5H4/20-0

1.54

14.54

1.00

C5H4/20-0.8

0.49

17.63

1.21

C5H4/20-1.2

1.49

16.17

1.11

C5H4/20-1.6

1.95

19.48

1.34

C5H4/20-2.0

1.10

20.35

1.40

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