Day

Nr. of crack intersections/ nodes

Nr. of circular loops

Av. crack length (mm)

Crack width (mm)

fd before thinning

fd after thinning

CIF (%)

Cover or Bright/Difference

before

Cover or Bright/Difference

after

0 - 10

10 - 20

20 - 30

1

0

0

1.13

2

0

0

1.233

0.984

0.2

1.2

0.2

2

13

1

4.96

2

0

0

1.4835

1.0589

0.11

6.9

0.5

4

15

1

18.92

2

0

0

1.5797

1.3638

0.26

9.0

1.4

6

16

1

62.24

4

0

0

1.6829

1.3547

1.19

17.0

2.6

7

16

2

165.21

5

2

0

1.6477

1.4356

1.95

13.5

3.8

8

16

2

278.71

5

2

3

1.6915

1.5714

5.75

21.2

11.1

10

16

3

156.61

6

3

3

1.7193

1.4838

2.01

21.7

4.4

30

16

3

16.59

6

4

6

1.6350

1.2480

0.92

20.9

2.6

32

16

3

21.01

7

4

7

1.2804

1.3638

1.13

20.0

3.0