Table 4 Comparison of experimental curve fitting results.

From: Damage constitutive model and experimental study of deep coal rock under thermal-hydro-mechanical coupling

No.

Experimental results

Theoretical calculation results

Relative error/%

εp/%

σp/MPa

εp/%

σp/MPa

εp/%

σp/MPa

1

0.47

12.4

0.43

12.5

8.51

0.81

2

0.49

13.2

0.45

13.5

8.16

2.27

3

0.48

15.3

0.44

15.6

8.33

1.96

4

0.42

16.8

0.40

17.4

4.76

3.57

5

0.60

13.7

0.57

14.2

5.00

3.65

6

0.62

13.1

0.57

12.6

8.06

3.82

7

0.74

12.4

0.67

12.3

9.46

0.81

8

0.73

10.8

0.67

11.8

8.22

9.26

9

0.54

19.3

0.50

19.9

7.41

3.11

10

0.58

16.1

0.53

16.9

8.62

4.97

11

0.47

13.3

0.43

14.1

8.51

6.02

12

0.43

12.6

0.39

13.6

9.30

7.94

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