Table 3 The failure stress information of test specimens under different interaction levels.

From: Analysis of mechanical properties and energy evolution mechanism of frozen calcareous clay under multi-factor interaction

Interaction level number

Failure stress/MPa

Sample 1

Sample 2

Sample 3

Average failure stress

A-1

1.86*

1.76

1.88

1.83

A-2

3.36

3.45

3.38*

3.40

A-3

3.18*

3.13

3.32

3.21

A-4

4.63

4.52*

4.49

4.55

B-1

3.28

3.30*

3.44

3.34

B-2

3.77

3.94

3.89*

3.87

B-3

4.44*

4.35

4.51

4.43

B-4

5.68

5.46

5.55*

5.56

C-1

5.41

5.26*

5.15

5.27

C-2

5.50*

5.30

5.58

5.46

C-3

5.62

5.54*

5.38

5.51

C-4

5.59

5.80

5.68*

5.69

D-1

5.15

4.96*

4.82

4.98

D-2

4.67

4.86*

4.96

4.83

D-3

7.35*

7.61

7.15

7.37

D-4

7.43

7.95

7.74*

7.71

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