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International Journal of Concrete Structures and Materials

Table 4 Results of pull-out test under mono-tensile load.

From: Bond Behavior of Basalt Fiber-Reinforced Polymer Bars Embedded in Concrete Under Mono-tensile and Cyclic Loads

Series

Number of specimen

Average pull-out strength/MPa

CV of pull-out strength/%

Average slip* at loaded end/mm

CV of slip*/%

fcu /MPa

I

B-r-0.84-9-1.5

17.30

4.78

2.66

1.24

23

B-r-0.84-9-2.5

17.54

3.12

2.74

0.89

B-r-0.84-9-4

18.10

5.63

1.22

0.82

B-r-0.84-12-1.5

18.81

5.82

3.73

2.85

35

B-r-0.84-12-2.5

17.32

1.70

3.41

15.12

B-r-0.84-12-4

19.80

3.55

3.87

6.79

B-r-0.84-18-2.5

13.19

3.84

3.96

4.12

27

B-r-0.84-18-4

12.65

8.32

4.00

2.70

B-r-1.08-9-1.5

14.85

0.33

2.93

2.69

29

B-r-1.08-9-2.5

16.65

1.67

2.67

4.00

B-r-1.08-9-4

16.27

3.35

2.40

10.42

B-r-1.08-12-1.5

20.00

6.72

3.94

3.72

31

B-r-1.08-12-2.5

22.50

1.64

3.56

5.82

B-r-1.08-12-4

20.01

0.00

3.41

2.09

B-r-1.08-18-2.5

11.69

2.37

5.65

2.61

27

B-r-1.08-18-4

13.15

4.56

3.94

5.09

II

B-rec-0.84-12-4

11.20

6.12

1.04

8.21

28

III

B-cw-0.84-12-4

13.48

7.09

3.37

4.51

IV

B-sw-0.84-12-4

13.59

5.03

4.28

7.07

V

S

11.66

8.20

1.69

0.01

28

  1. The values of ultimate bond strength are the mean of experimental results. Slip* means slip corresponding to max bond stress.
  2. fcu is the compressive strength of concrete.
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