Table 4 Damage parameters for element 20 (low-stressed element).

From: Adaptive damage analysis method for ultimate bearing capacity of steel truss structures with box section

Steps J

\(r_{k}^{{\text{0}}}\)(10− 4)

\(r_{{\text{k}}}^{{\text{e}}}\)(10− 4)

\(M_{{0k}}^{e}\)

\(D_{{0k}}^{e}\)

\(\prod\limits_{{i=1}}^{k} {M_{{0k}}^{e}}\)

\(D_{k}^{e}\)

2

49.56

0

1

0

1

0

3

38.57

15.88

1

0

1

0

4

38.03

15.95

1

0

1

0

5

37.39

16.04

1

0

1

0

6

36.72

16.16

1

0

1

0

7

36.08

16.35

1

0

1

0

8

35.42

16.61

1

0

1

0

9

34.76

16.96

1

0

1

0

10

34.12

17.45

1

0

1

0

11

33.52

18.09

1

0

1

0

12

33.02

18.86

1

0

1

0

13

32.72

19.84

1

0

1

0

14

32.67

21.04

1

0

1

0

15

33.05

22.09

1

0

1

0

16

33.72

22.57

1

0

1

0

17

33.53

22.66

1

0

1

0

18

33.33

22.54

1

0

1

0

19

33.18

22.44

1

0

1

0

20

33.07

22.38

1

0

1

0

21

32.99

22.34

1

0

1

0

22

32.93

22.31

1

0

1

0

23

32.88

22.29

1

0

1

0

24

32.84

22.26

1

0

1

0

25

32.80

22.23

1

0

1

0

26

32.76

22.19

1

0

1

0

27

32.72

22.15

1

0

1

0

28

32.69

22.11

1

0

1

0

29

32.65

22.07

1

0

1

0

30

32.62

22.03

1

0

1

0

  1. Low-stressed elements are those where the EBR remains below the reference value throughout the entire iteration process.