Depth (m)

Pf (MPa)

Pl (MPa)

σhs (MPa)

Pl* (MPa)

EM (MPa)

EM/Pl

1.50

1.43

2.34

0.013

2.32

18.2

7.8

3.00

0.95

1.47

0.027

1.44

14.5

10.0

4.50

0.69

1.54

0.040

1.49

14.5

9.7

6.00

0.98

1.71

0.054

1.65

17.0

10.3

7.50

1.26

1.62

0.067

1.55

12.4

8.0

9.00

1.16

1.47

0.081

1.39

16.8

12.1

10.50

0.60

1.44

0.094

1.35

21.5

16.0

12.00

1.15

1.40

0.108

1.29

10.8

8.4

13.50

0.53

1.40

0.121

1.27

10.1

8.0

15.00

1.05

1.53

0.135

1.40

12.7

9.1

16.50

1.23

1.97

0.148

1.82

14.5

8.0

18.00

0.68

1.82

0.162

1.66

16.0

9.6

19.50

0.49

0.99

0.175

0.82

6.4

7.9

21.00

0.74

0.83

0.189

0.64

9.2

14.4

22.50

0.56

0.80

0.202

0.60

6.7

11.3

24.00

0.50

0.66

0.216

0.44

9.1

20.7

25.50

0.58

1.03

0.229

0.80

6.7

8.4

27.00

0.66

1.03

0.243

0.79

8.2

10.5

28.50

0.85

1.15

0.256

0.89

8.9

9.9

30.00

0.68

1.07

0.270

0.80

7.4

9.2