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International Journal of Concrete Structures and Materials

Table 6 Data of boundary point and fit value of parameters.

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

Specimen number

Experimental data of boundary points

Parameter α

Regression coefficient R2

A

B

C

D

s1

τ1

s2

τ2

s3

τ3

s4

τ4

mm

MPa

mm

MPa

mm

MPa

mm

MPa

B-r-0.84-9-1.5

0.14

3.36

2.62

16.23

8.10

3.91

57.3

2.87

0.49

0.920

B-r-0.84-9-2.5

0.19

3.54

2.68

15.32

7.80

3.85

60.4

1.33

0.31

0.931

B-r-0.84-9-4

0.12

6.10

1.66

16.07

6.38

4.57

53.8

1.23

0.48

0.933

B-r-0.84-12-1.5

0.55

12.95

2.94

23.46

9.51

7.20

55.1

6.13

0.60

0.936

B-r-0.84-12-2.5

0.51

11.82

3.47

28.26

10.58

9.83

53.2

9.49

0.46

0.930

B-r-0.84-12-4

0.29

6.95

2.86

21.10

9.89

7.80

54.7

7.49

0.70

0.936

B-r-0.84-18-2.5

0.54

4.75

4.30

12.28

17.60

1.52

49.3

4.75

0.39

0.944

B-r-0.84-18-4

0.57

3.15

4.03

10.83

15.86

1.63

46.3

2.81

0.70

0.906

B-r-1.08-9-1.5

0.06

3.35

3.15

14.54

7.95

3.09

31.6

5.60

0.55

0.917

B-r-1.08-9-2.5

0.14

2.14

2.74

15.94

7.44

3.88

31.9

4.44

0.58

0.936

B-r-1.08-9-4

0.10

4.07

1.42

15.81

7.06

7.12

50.5

0.46

0.47

0.931

B-r-1.08-12-1.5

0.57

7.63

4.21

21.09

11.59

5.12

31.5

9.17

0.40

0.940

B-r-1.08-12-2.5

0.57

5.35

3.46

22.53

10.41

4.29

45.2

5.55

0.58

0.944

B-r-1.08-12-4

0.62

5.02

3.41

20.41

10.11

4.68

31.5

8.55

0.57

0.932

B-r-1.08-18-2.5

0.39

2.58

5.48

10.85

16.35

1.16

60.1

3.19

0.44

0.950

B-r-1.08-18-4

0.36

2.63

4.21

13.00

17.13

2.30

60.3

3.11

0.50

0.921

B-rec-0.84-12-4

0.37

3.51

1.07

11.69

7.13

5.81

50.5

1.01

0.39

0.911

B-cw-0.84-12-4

0.23

4.51

3.12

14.11

7.53

7.58

39.0

3.41

0.45

0.956

B-sw-0.84-12-4

0.39

5.65

4.98

13.62

14.58

4.72

37.9

1.50

0.60

0.921

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