Table 7 1 Summary of 39 observed crack growth rates obtained from the full-scale tests

1

1–3-1

VII

2.6

2

1–3-2

V

1.2

3

1–3-2

VI

1.2

4

1–3-2

VII

1.6

5

1–6-1

V

0.7

6

1–6-1

VI

1.2

7

1–6-2

V

2.8

8

1–6-2

VI

2.5

9

1–6-2

VII

6.2

10

1–6-3

V

1.5

11

1–6-3

VI

1.3

12

1–6-3

VII

4.5

13

1–9-1

V

2.5

14

1–9-1

VI

2.5

15

1–9-2

V

2.3

16

1–9-2

VI

3.4

17

1–12-1

VI

0.7

18

1–12-2

V

1.2

19

2–3-1

II

0.9

20

2–3-1

III

0.8

21

2–3-2

II

1.3

22

2–3-3

II

1.2

23

2–3-3

III

0.9

24

2–3-4

II

6.1

25

2–3-4

III

3.0

26

2–6-1

II

0.8

27

2–6-2

II

3.7

28

2–6-2

III

2.4

29

2–6-3

II

0.9

30

2–6-3

III

1.5

31

2–6-4

II

2.6

32

2–6-4

III

2.4

33

2–12-1

II

1.2

34

2–12-1

III

1.1

35

2–12-2

II

2.6

36

2–12-2

III

1.3

37

2–12-3

II

0.5

38

2–12-4

II

4.0

39

2–12-4

III

1.9