# A Large Bridge Traffic Operation Status Impact Assessment Model Based on AHP-Delphi-SVD Method
## Appendix A  
```
Input: X Output: F
```  
1. Initialization: \(\beta\)
2. for i = 1:n
3. for j = 1:m
4. fbj = \(1-\sum\limits_{1}^{\mathrm{j}}\beta(1-\mathrm{xj})\)
5. End for
6. fi = \(1-\sum\limits_{1}^{\mathrm{i}}\beta(1-\mathrm{fbi})\)
7. End for
8. Return F ```
**Algorithm A1**Traffic Impact Assessment of Large Bridges
``` Input: A Output: W
1. Initialization: A
2. for i = 1:n
3. Sort (A) \(\rightarrow\) A1 \(\geq\) A2 \(\geq\) A3 \(\ldots\geq\) An
4. End for
5. For i = 1:n
6. Compare (Ai, Ai + 1) \(\rightarrow\) T (t1, t2, t3 \(\ldots\) tn)
7. End for
8. Compute (B):
9. If i = j, Bij = 1
10. Else Bij = \(b_{ij}=t_{i}\times t_{i+1}\times\ldots\times t_{j-1},(i\
eq j)\)
11. Eig (B) \(\rightarrow\) \(\beta\)
12. W = Normalization (\(\beta\))
13. Return W ```

**Algorithm A2**Determination of Bridge Traffic Impact Weights

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