测点号

实测值

回归值

σ₁

(MPa)

σ₂

(MPa)

σ₃

(MPa)

σ₁

(MPa)

σ₂

(MPa)

σ₃

(MPa)

1

39.94

23.56

17.88

46.4

25.6

23

2

45.71

26.32

19.42

44.9

23.9

22.8

3

53.31

32.88

22.05

47.3

29.0

25.4

4

50.38

31.89

23.26

48.8

26.8

24.4

5

62.17

36.81

27.84

52.1

31.7

26.8

6

58.26

33.47

24.11

51.8

31.2

26.6