Table 4 Maximum applied load, fracture energy Gf, and work of fracture Wf of HSCSCB specimens according to AASHTO TP105.

From: Effects of specimen geometry and size on mode I and mixed mode fracture behavior of high strength fiber reinforced concrete

Specimen

Radius, R(mm)

t/R

S2/S1

Fmax (kN)

ligament area (mm2)

Wf (kN.mm)

Gf (N/mm)

SCB5-0.2–0.33/0.34

50

0.33

0.34

3.34

666.4

17.373

26.069

SCB5-0.2–0.33/0.18

0.33

0.18

6.37

666.4

92.491

138.792

SCB5-0.2–0.66/0.34

0.66

0.34

4.99

1333.2

25.798

19.351

SCB5-0.2–0.66/0.18

0.66

0.18

7

1333.2

26.43

19.824

SCB5-0.2–1/0.34

1

0.34

8.389

2000

23.677

11.838

SCB5-0.2–1/0.18

1

0.18

9.27

2000

63.309

31.654

SCB7.5–0.2–0.33/0.34

75

0.33

0.34

4.3

1500

13.285

8.856

SCB7.5–0.2–0.33/0.18

0.33

0.18

7.98

1500

246.09

164.06

SCB7.5–0.2–0.66/0.34

0.66

0.34

7.7

3000

22.483

7.494

SCB7.5–0.2–0.66/0.18

0.66

0.18

16.6

3000

437.893

145.964

SCB7.5–0.2–1/0.34

1

0.34

13.1

4500

121.869

27.082

SCB7.5–0.2–1/0.18

1

0.18

23.18

4500

505.378

112.306

SCB10-0.2–0.33/0.34

100

0.33

0.34

9.63

2666.4

34.023

12.759

SCB10-0.2–0.33/0.18

0.33

0.18

15.88

2666.4

257.779

96.676

SCB10-0.2–0.66/0.34

0.66

0.34

21.38

5332.8

195.692

36.695

SCB10-0.2–0.66/0.18

0.66

0.18

32.78

5332.8

437.633

82.064

SCB10-0.2–1/0.18

1

0.34

28.34

8000

85.673

106.25

SCB10-0.2–0.33/0.34

1

0.18

37.44

8000

487.189

60.898